Avoidance Behavior in Conflict Situations

561 20 5MB

English Pages 98

Report DMCA / Copyright

DOWNLOAD FILE

Polecaj historie

Avoidance Behavior in Conflict Situations

Citation preview

This dissertation has been microfilmed exactly as received

6 7 - 1 1 ,3 8 1

FRENCH, Elizabeth Godbeer, 1916AVOIDANCE BEHAVIOR IN CONFLICT SITUATIONS. Y ale U niversity, Ph.D „ 1942 Psychology, experim ental

University Microfilms, Inc., A nn Arbor, Michigan

Reproduced with permission o f the copyright owner. Further reproduction prohibited without permission.

©

Copyright b y ELIZABETH GODBZZR FRENCH

1967

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

Avoidance B ehavior i n C o n flic t S itu a tio n s

tgr E liz a b e th G odbeer French

An e s s a y p r e s e n te d t o th e F a c u lty a n d t h e G rad u ate S chool o f i a l e U n iv e r s ity i n c a n d id a c y f o r th e d e g ree o f D octor o f P h ilo so p h y

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

D ig e st The p r e s e n t i n v e s t i g a t i o n was an a tte m p t t o d eterm in e u n d e r l h a t c o n d itio n s g o i n g - o u t - o f - t h e - f l e l d o r e sc a p e re s p o n s e s o c c u r i n c o n f l i c t s i t u a t i o n s . Two ty p e s of c o n f l i c t , t h e d o u b le a p p ro ach -a v o id a n ce in v b ic h th e r e i s i n s t i g a t i o n t o a p p ro a c h a n d a v o id e a c h o f two g o a ls , a n d t h e s i n g l e a p p ro ach -a v o id a n ce i n w hich t h e r e i s i n s t i g a t i o n to ap p ro ach and a v o id a s i n g l e g o a l, w ere s tu d ie d . The e x p e rim e n ta l g ro u p s were e s ta b li s h e d i n t h e f o llo w in g way. The s u b je c ts w ere d iv id e d i n t o s i x m atched groups on t h e b a s is o f t h e i r b e h a v io r i n a p r e ­ lim in a r y o b s e rv a tio n p e r io d . Then, i n t h e f i r s t p a r t o f t h e e x p e rim e n ta l p e r io d , a m ild ly p l e a s a n t a f f e c t f o r two t a s k s was a r t i f i c i a l l y in d u ced i n th e s u b j e c t s o f two o f t h e g ro u p s, a n e u t r a l a f f e c t f o r th e same t a s k s in th e s u b je c ts o f tw o g ro u p s, and an u n p le a s a n t a f f e c t f o r t h e ta s k s i n t h e s u b je c ts o f two g ro u p s. When t h i s had b e e n accom plished, one group p o s s e s s in g each ty p e o f a f f e c t was i n s t r u c t e d t o s e l e c t one o f th e t a s k s and work lo n g e r on i t , and th e o t h e r group o f each ly p e was t o l d w hich one to do. Thus double ap p ro a ch -a v o id a n c e c o n f l i c t s i n which t h e i n s t i g a t i o n was p r im a r ily ap p ro ach , i n w hich i t was e q u a l, an d i n w hich i t was p r im a r ily av o id an ce w ere e s ta b ­ l i s h e d i n t h r e e o f t h e g ro u p s. S im ila r g ro u p s were e s ta b lis h e d f o r th e s in g l e a p p ro a c h -a v o id a n c e t y p e . A f te r t h e s u b je c ts had b e e n i n s t r u c t e d a s to t h e i r f u r t h e r work th ey were t o l d t h a t t h e ex p e rim e n te r would have t o be gone from t h e room f o r a p e r i o d o f tim e tw ic e a s lo n g a s was r e q u ir e d f o r t h e co m p le tio n o f t h e t a s k b u t t h a t th e y were t o i l n i s h i t and w a it f o r h e r . T h e ir b e h a v io r d u rin g t h i s p e r io d was o b serv ed th ro u g h a one way v is io n m irr o r an d r e c o rd e d a t f i v e second i n t e r v a l s . I n t h e room d u rin g t h e e n t i r e p e r io d w e re , a s w e l l - a s t h e t a s k s , s e v e r a l games p la c e d a p p a r e n tly a t random, which w ere in te n d e d to s e rv e a s i n s t i g a t o r s e x t r i n s i c to th e c o n f l i c t s itu a rtio n . The r e s u l t s showed t h a t t h e s u b je c ts who had t o choose betw een two un­ p l e a s a n t a l t e r n a t i v e s made t h e g r e a t e s t re sp o n s e t o t h e e x t r i n s i c o b je c ts b e f o re t h e y began a t a s k ; th o s e who had to do one u n p le a s a n t t a s k showed t h e n e x t g r e a t e s t ; th o s e who had to do one n e u t r a l , n e x t; th o s e who had to choose b etw een two n e u t r a l , n e x t; and th o s e who had o n ly p le a s a n t a f f e c t made no such r e s p o n s e s . The amount o f o s c i l l a t i o n , m o t i l i t y , and b lo c k in g a t th e moment o f d e c is io n w ere fo u n d to in c r e a s e i n th e same o r d e r . Except f o r t h e o r d e r o f th e two n e u t r a l g ro u p s, t h e s e r e s u l t s were i n a c c o rd w ith t h e p r e d i c t i o n s , b a se d on t h e s tim u lu s r e s p o n s e p r i n c i p l e s , t h a t th e amount o f r e s p o n s e to t h e e x t r i n s i c i n s t i g a t o r and o t h e r m a n if e s ta tio n s o f b e h a v io r d i s r u p t i o n would i n c r e a s e writh t h e number and r e l a t i v e s t r e n g th o f th e av o id an ce i n s t i g a t i o n s p r e s e n t. The r e v e r s a l I s ^ d is c u s s e d i n te rm s o f t h e a f f e c t p r e s e n t . I t was f u r t h e r d em o n stra te d t h a t t h e o s c i l l a t i o n , m o t i l i t y and b lo c k in g o c c u rre d p r i m a r i l y j u s t b e f o re a c h o ic e was made and a t t h e tim e t h e ap p ro ach i n s t i g a t i o n was becom ing s tr o n g e r due t o th e n e a r n e s s o f t h e tim e l i m i t . The p o s s i b i l i t y o f g e n e r a liz in g from t h i s e x p erim en t t o l i f e s i t u a t i o n s i s d is c vis s e d . The b e h a v io r to b e e x p e c te d a f t e r a ta s k was s e le c t e d and some work had been done on i t i s d is c u s s e d i n te rm s o f t h e o r i g i n a l a f f e c t f o r th e t a s k and th e p r o b a b le e f f e c t o f t h e b e h a v io r t h a t a f f e c t had c a u se d . I t was found t h a t t h e s tim u lu s re s p o n s e p r i n c i p l e s , w hich to o k i n t o a c c o u n t t h e f a c t t h a t be­ h a v io r i s a seq u en ce an d n o t a s e r i e s o f i s o l a t e d e v e n ts , w ere a b le to p r e ­ d i c t a c c u r a t e l y w hat t h i s su b se q u e n t b e h a v io r would b e . I t was e x p e c te d t h a t t h e s u b je c t w ith s tr o n g i n s t i g a t i o n to a v o id a t t h e b e g in n in g would have e q u a lly s tr o n g i n s t i g a t i o n to avoid a f t e r a t a s k was s t a r t e d bub t h a t h i s I n i t i a l d e la y ,c a u s e d b y t h e s t r o n g a v o id an ce,w o u ld n o t le a v e him tim e enough to le a v e t h t a s k a g a in . Those who had m ild i n s t i g a t i o n t o a v o id ,o n t h e o t h e r hand,w ould s t a r soon enough so t h a t t h e y w ould b e a b le to le a v e th e t a s k from tim e to tim e snd s t i l l f i n i s h b e f o r e t h e l i m i t . T h is was w hat a c t u a l l y o c c u rre d .T h e p o s s i b i l i t i e s o f p r e d i c t i o n from t h e s tim u lu s r e s p o n s e p r i n c i p l e s and from t h e f i e l d t h e o r e t i ­ c a l s y ste m o f Lewin a r e com pared.

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

Acknowledgment The w r i t e r wishe s to acknow ledge h e r in d e b te d n e s s t o P r o f e s s o r R o b ert R. S e a rs f o r h i s a i d d u rin g t h e fo rm u la tio n of t h e problem and t h e c o u rse o f th e i n v e s t i g a t i o n a s w e l l as h i s h e lp f u l c r i t i c i s m of th e m a n u sc rip t.

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

C ontents D ig e st I n tr o d u c tio n

1

The P r e s e n t P roblem

7

P ro c e d u re

19

Measurement

27

R e s u lts

28

D is c u ss io n

53

Appendix A. I n d iv id u a l d a t a

i i

B. Summary of t h e s tim u lu s re sp o n se work on c o n f l i c t x i i i

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

A voidance B e h a v io r i n C o n f li c t S i tu a t io n s

"*■

w*

I I n tr o d u c tio n

T h is in v e s tig a tio n i s an a tte m p t t o a n a ly se e x p erim e n tally th e e scap e, o r a s Lewin (1935) d e s c rib e s i t , t h e "going o u t o f t h e f i e l d " resp o n se t h a t o c cu rs i n c e r t a i n ty p e s o f c o n f l i c t s i t u a t i o n s .

That

such resp o n ses do o c cu r, o r w i l l u n le s s s p e c i f i c a l l y p rev e n te d , in c o n f l i c t s where avoidance i n s t i g a t i o n i s s u f f i c i e n t l y s tro n g , has been re c o g n ise d by many e x p e rim e n te rs.

S in ce th e y d e sire d to study th e r e ­

s o lu tio n o f t h e c o n f l i c t th e y to o k some p a in s t o p rev e n t th e o ccurren ce o f such b e h a v io r.

Thus knowledge o f th e s u b je c t i s f o r th e most p a rt

based on c a su a l o b s e rv a tio n s and such t h e o r e t i c a l d isc u ssio n s a s t h a t o f Lewin. T h e o r e t i c a l l y , a c c o rd in g t o Lewin, "g o in g o u t o f t h e f i e l d " sh o u ld n o t o ccu r w here t h e c o n f l i c t s i t u a t i o n in v o lv e s two p o s i t i v e g o a ls , b u t i t may b e e x p e c te d when th e c h o ic e i s betw een two n e g a tiv e g o a ls , o r when t h e in d iv id u a l w ish e s to ap p ro ach some g o a l b u t i s a f r a i d o r p r e v e n te d fro m d o in g so b y some b a r r i e r .

I n t h e c a s e o f th e

c h i l d ifco h a s to d e c id e w h e th e r t o go on a p ic n ic o r p la y w ith h i s f r i e n d s (Type 1 c o n f l i c t > a l l v e c to r s a r e diagrammed a s p o in tin g i n t h e d i r e c t i o n o f t h e g o a l a n d a s t a b l e e q u ilib r iu m e x i s t s a t t h e p o in t o f c h o ic e .

He d ia g ram s t h e s i t u a t i o n o f t h e c h i l d # 1 0 w ants to f e tc h a

r u b b e r swan from t h e w a te r bub i s a f r a i d (Type 2 c o n f l i c t ) a s c o n s is t i n g o f a c o n v e rg e n t f i e l d c o rre s p o n d in g to t h e p o s i t i v e v a le n c e o f t h e swan, o v e r la id b y a sec o n d fie L d v tiic h c o rre s p o n d s t o t h e n e g a tiv e v a le n c e o f

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

2

t h e w a te r .

A ccording to t h e d iag ram t h e c h i l d m ust more t o - t h e

p o in t o f e q u ilib r iu m b etw een th e two f i e l d s .

T h is p o i n t w i l l ap p ro ach

and r e t r e a t from t h e w a te r a c c o rd in g t o t h e momentary o s c i l l a t i o n s o f t h e s i t u a t i o n , an d such o s c i l l a t i o n s w i l l b e r e f l e c t e d i n t h e b e h a v io r o f th e c h ild .

L eav in g t h e f i e l d o ccu rs a f t e r r e p e a te d a tte m p ts t o

overcome t h e b a r r i e r .

T h is i s u s u a ll y n o t perm anent a t f i r s t , b u t

a f t e r r e p e a te d r e t u r n s t h e c h i l d w i l l le a v e n o t t o r e t u r n a g a in .

A

t h i r d ty p e o f c o n f l i c t i s e x e n p l i f ie d by t h e case o f t h e c h i l d fo rc e d to do a d is a g r e e a b le t a s k u n d e r t h e t h r e a t o f p u n ish m en t.

H ere, s in c e

th e v e c t o r s p o in t away fro m t h e i r r e s p e c t i v e g o a ls , th e c h i l d i s f o r c e d o u t o f t h e f i e l d once he le a v e s th e p o i n t o f e q u ilib r iu m .

Thus he w i l l

alw ays go o u t o f t h e f i e l d i f n o t p re v e n te d . T h is ty p e o f b e h a v io r may b e e i t h e r p h y s ic a l, a c t u a l l y le a v i n g t h e s i t u a t i o n bodL ly, o r i t may b e p s y c h o lo g ic a l i n t h a t t h e c h i l d o c c u p ie s h im s e lf w ith so m e th in g e l s e o r " e n c y s ts " .

Lewin d is c u s s e s going o u t o f t h e f i e l d from a p r a c t i c a l p o in t o f view in h i s c h a p te r on rew ard and punishm ent (1935).

He p o in ts o u t,

f o r example, t h a t p a re n ts who u se th e t h r e a t o f punishm ent t o f o r c e t h e i r c h ild r e n to p erfo rm a h a te d t a s k mast be c a r e f u l t o e r e c t a b a r r i e r around th e t o t a l s i t u a t i o n i f t h e t h r e a t o f punishm ent i s t o be e ffe c tiv e .

He m entions ru n n in g away, co n cealin g from th e a d u lt th e f a c t

t h a t some o th e r c ircu m stan ce made t h e com pletion o f t h e t a s k u n n ecessary , and fa n ta s y in g co m p letio n , a s p o s s ib le means used by th e c h ild to lea v e th e f i e l d .

The c a se s he d e s c r ib e s in v o lv e a l l o f th e s e m ethods i n

v a rio u s co m b in atio n s.

I f th e b a r r i e r i s v e ry f ir m and t h e c o n f l i c t v e ry

se v e re , t h e r e may be no a lte rn a tiv e ^ l e f t f o r th e c h il d b u t s u ic id e .

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

F o llo w in g t h e ap p ro ach o f Lewin, Dernbo (1931) found t h a t in h e r e x p erim e n t on a n g e r , wheih a l l t h e r e a l s o lu ti o n s had b een ex­ h a u s te d , t h e s u b je c ts te n d e d to r e s o r t t o f a n ta s y s o l u t i o n s .

F ajan s

( 1 9 3 3 ) found i n a s u c c e s s an d f a i l u r e ex p erim en t, t h a t c o n s o la tio n o r a s u b s t i t u t e f o r r e a l s u c c e s s very o f te n was a s e f f e c t i v e a s a c t u a l su c c e ss f a r th e young c h i l d . A1 a l t e r n a t i v e ap p ro ach to t h e f i e l d t h e o r e t i c a l one, and one t h a t w i l l p o s s ib ly e x p la in more o f t h e d a ta a n d i n more d e t a i l , i s t h e stim u lu s re s p o n s e i n t e r p r e t a t i o n .

C o n f lic t b e h a v io r h a s b een

a n a ly s e d t h e o r e t i c a l l y and o b s e rv e d e x p e rim e n ta lly from t h i s p o in t o f view by M ille r (1937, 1 9 4 2 ), Brown (1940, 1 9 4 2 ), Hovland and S e a rs ( 1 9 3 8 , 1 9 4 1 ) , a n d o th e r s , who have s e c u re d a c e r t a i n amount o f ev id en ce r e l e v a n t t o t h e p r e s e n t p ro b le m .^ A c o n f l i c t s i t u a t i o n i s d e f in e d a s one i n w hich i n s t i g a t i o n t o make in c o m p a tib le re s p o n s e s i s p r e s e n t .

These may be approach

re s p o n s e s , i . e . , g o in g to w ard a g o a l o r p erfo rm in g a n a c t ; o r th e y may be av o id an ce r e s p o n s e s , i . e . , r u n n in g away from a g iv e n p o in t o r a tte m p tin g to escap e p e rfo rm in g a g iv e n a c t .

I n s t i g a t i o n t o t h e s e two

ty p e s o f re s p o n s e s may a p p e a r i n v a r io u s co m b in a tio n s, and ■various ty p e s o f c o n f l i c t a re d is tin g u is h e d on t h e b a s is o f th e s e c o m b in a tio n s. Hovland and S e a rs (1938) have d is tin g u is h e d f o u r ty p e s o f c o n f l i c t o n t h i s b a s i s , t h e f i r s t t h r e e o f f h ic h c o rre sp o n d w ith Lewin’ s ty p e s m en tio n ed above.

I n Type 1 , d e s c rib e d a s a n a p p ro a ch -a p p ro ach

c o n f l i c t , t h e r e i s sim u lta n e o u s i n s t i g a t i o n t o tw o in c o m p a titie ^ a p p ro a c h resp o n ses.

I n Type 2 (a p p ro a c h -a v o id a n c e ) th e r e i s i n s t i g a t i o n t o

1 . T h is work i s sum m arized i n t h e ap p e n d ix . The f in d in g s p e r e p e n t t * t h e p r e s e n t p ro b lem o f g o in g o u t of t h e f i e l d w i l l b e prejgjpMted^here, a s w e l l a s a n ex p erim en t b y Brown (1942) i n w hich he a c t u a l l y d e a lt w ith t h e p ro b le m .

Reproduced with permission o f the copyright owner. Further reproduction prohibited without permission.

I

approach an d av o id a s in g l e g o al*

I n Type 3 (a v o id a n c e -a v o id a n c e ) .,

two in c o n p a tib le avcd. dan ce reap onaea a r e aim ultaneou s l y in e tig a te d * The f o u r th ty p e , Which i s n o t m en tio n ed b y Lewin, i a a co m b in atio n o f t h e p re v io u s t y p e s .

T h is o c c u rs when th e r e i s b o th approach and

av o id an ce i n s t i g a t i o n to each o f two in c o m p a tib le r e s p o n s e s .

T h is

ty p e i s c a l l e d a d o u b le a p p ro a c h -a v o id a n c e , o r a Type 4 c o n f lic t* Of th e s e f o u r ty p e s , o n ly two commonly o ccu r i n un co m p licated form i n human s u b je c ts .

T hese a re t h e s in g le a p p ro ach -a v o id a n ce and

th e d o u b le a p p ro a c h -a v o id a n c e .

Those w hich a p p e a r on t h e s u r f a c e t o b e

p u re ap p ro ach -ap p ro ach o r a v o i d ance-avoidanc e ty p e s a r e u s u a lly found, on a n a l y s i s , to b e c a s e s o f d o u b le a p p ro a c h -a v o id a n c e . S e a rs , 1 938, G odbeer, 1940, M ille r , 1 9 4 2 ). th e n , t h e r e a re two ty p e s .

(H ovland and

For p r a c t i c a l p u rp o s e s ,

The double a p p ro ach -a v o id a n ce may v a ry i n

i t s re sem b lan c e t o t h e p u re a p p ro ach -a p p ro ach o r t h e p u re a v o id a n c e av o id an c e ty p e d ep en d in g on t h e r e l a t i v e s tr e n g t h o f t h e i n s t i g a t i o n s p re s e n t* I n Type 1 c o n f l i c t , o r Type 4 c o n f l i c t t h a t c l o s e ly resem b les i t , no b e h a v io r d i s r u p t i o n was e x p e c te d o r fo u n d ( H&viand'aqd3Se&rs, 1938, K le b a n o ff, 1939)*

When a v c id a n c e i n s t i g a t i o n becomes a l i t t l e

s tr o n g e r , some h e s i t a t i o n a p p e a rs (G odbeer, 1 9 4 0 ), b u t a c h o ic e may s t i l l b e made*

When t h e av o id an ce i n s t i g a t i o n i s e q u a l to t h a t o f

ap p ro ac h , r e s o l u t i o n o f t h e c o n f l i c t becom es d i f f i c u l t a n d b lo c k in g and o s c i l l a t i o n o c c u r a t t h e c h o ic e p o in t (H ovland and S e a r s , 1938)*

As

th e i n s t i g a t i o n t o a v o id c o n tin u e s to in c r e a s e i n s t r e n g t h , so t h a t th e s i t u a t i o n comes to s im u la te t h e avoidanc e -a v o id a n c e t y p e , b lo c k in g be­ comes a more f r e q u e n t ty p e o f re s p o n s e , and r e s o l u t i o n i s more d i f f i c u l t . (Hovland and S e a rs , 1 9 3 8 , K le b a n o ff, 1939* W earac^ntt H ovland, 1941, and

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

and M U le r, 1 9 4 2 ). I n t h e c«ase o f t h e s i n g l e a p p ro a c h -a v o id a n c e c o n f l i c t , be­ h a v io r d is r u p t i o n i s l e s s s e v e r e th a n i n t h e d o u b le ty p e (H ovland and S e a r s , 1 9 3 8 ).

C o n f lic t b e h a v io r r e a c h e s a maximum when t h e o p p o sin g

i n s t i g a t i o n s a r e e q u a l i n s t r e n g t h ( M ille r , L ip o fa k y , an d B roun, 1940) b u t b lo c k in g i s n e v e r a s f r e q u e n t a s i t i s i n t h e d o u b le a p p ro a c h av o id a n c e c o n f l i c t s u n d e r s i m i l a r c o n d itio n s o f e q u a l i t y o f s tr e n g t h o f in s tig a tio n .

I f one c r t h e o th e r I n s t i g a t i o n becomes s u f f i c i e n t l y

s tr o n g , th e a p p r o p r ia te re s p o n s e s i l l b e made w ith o u t h e s i t a t i o n ( M ille r , L ip fs k y , a n d B roun, 1 9 4 0 ). B e sid e s t h e r e l a t i v e fre q u e n c y o f t h e d i f f e r e n t ty p e s o f be­ h a v io r d i s r u p t i o n i n t h e d i f f e r e n t ty p e s o f c o n f l i c t two o t h e r f a c t s w hich a r e o f u s e i n th e p r e s e n t d is c u s s io n have b een a s c e r t a i n e d .

One

i s t h a t a t t h e p o i n t w here th e c o n f l i c t i n g i n s t i g a t i o n s a re a p p ro x im a te ly e q u a l, t h e s u b je c t w i l l o s c i l l a t e back and f o r t h among t h e p o s s ib le re s p o n s e s ( M ille r , L ip o fsk y , a n d Brown, 1 9 4 0 ).

The o th e r i s t h a t i n ­

s t i g a t i o n s w ith r e s p e c t t o t h e same re s p o n s e , w hether i n t h e same o r d i f f e r e n t d i r e c t i o n s , may summate a l g e b r a i c a l l y t o p ro d u c e an e f f e c t i v e re s p o n s e s t r e n g t h . One e x p e rim en t on Type 4 c o n f l i c t w hich b e a rs d i r e c t l y on t h e p ro b lem o f g o in g o u t o f t h e f i e l d i s t h a t o f Brown (1 9 4 2 ).

He t r a i n e d

r a t s t o d is c r im in a te betw een a b r i g h t an d a dim l i g h t i n a Y-maze s itu a tio n .

H alf o f t h e a n im a ls w ere shocked f o r m aking a n i n c o r r e c t

d is c r i m i n a t i o n , an d h a l f m e re ly r e c e iv e d no fo o d .

H alf o f each o f t h e s e

g ro u p s was th e n p la c e d o n a one h o u r h u n g er d r iv e a n d t h e o th e r h a l f on a 4 6 h o u r d r iv e ,

fiie h o f t h e f o u r g ro u p s th u s o b ta in e d was f u r t h e r su b ­

d iv id e d i n t o 3 g ro u p s f o r p u x p o ses o f t e s t i n g i n t h r e e im p o s s ib le d i s ­

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

c r im in a tio n s i t u a t i o n s : two s t i x m l i i d e n t i c a l w ith t h e o r i g i n a l p o s i t i v e s tim u lu s , two s ti m u l i h a l f way betw een th e p o s i t i v e an d t h e n e g a tiv e , and two s ti m u l i i d e n t i c a l w ith t h e o r i g i n a l n e g a tiv e s tim u lu s .

G oing o u t o f t h e f i e l d , a s in d i c a t e d by r e t r e a t fro m t h e

c h o ic e p o in t i n t o t h e stem o f t h e T, was m ost f r e q u e n t when tw o n e g a tiv e s t i m u l i w ere p r e s e n te d , n e x t i n t h e in te r m e d ia te s i t u a t i o n , an d l e a s t when t h e a n im a ls were c h o o s in g betw een two p o s it i v e s t i m u l i . W ith in t h e s e g ro u p s m ost o f t h e g o in g o u t o f th e f i e l d o c c u rre d when a v o id a n c e p ro d u ced b y shock f o r i n c o r r e c t c h o ic e i n t h e le a r n in g s i t u a ­ t i o n was opposed t o one h o u r d r iv e .

The g r e a t e s t amount o f i n d i s ­

c r im in a te ap p ro ach o c c u rre d when t h e 4 6 h o u r d r iv e w as opposed t o no shock f o r w rong c h o ic e .

T hese co m p ariso n s d e m o n stra te t h e g r e a t e r

fre q u e n c y of go i n g - o u t - o f - t h e - f i e l d i n Type U c o n f l i c t s t h a t most n e a r ly ap p ro ach t h e p u re a v o id a n c e -a v c id a n c e Type 2 .

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

The P r e s e n t Problem The d is c u s s io n o f t h e h y p o th e s is o f t h e p r e s e n t p a p e r may b e most e a s i l y u n d e rsto o d i n c o n n e c tio n w ith t h e s p e c i f i c e x p e rim e n ta l s itu a tio n .

F or th e p u rp o se o f t h e g r e a t e s t c l a r i t y , th e n , a b r i e f

d e s c r i p t i o n o f t h e ex p erim en t w i l l b e p r e s e n te d , th e n a d is c u s s io n o f th e t h e o r e t i c a l e x p e c ta tio n s b a s e d on t h e p r i n c i p l e s m entioned above, and f i n a l l y an a p p l i c a t i o n o f t h e d is c u s s io n t o t h e ex p erim e n ta l g ro u p s. The e x p e rim e n ta l s i t u a t i o n The p r e s e n t e x p e rim en t may b e b r i e f l y d e s c rib e d a s f o llo w s . T hree d e g re e s o f a f f e c t , r a n g in g from m ild ly p le a s a n t t o d is a g r e e a b le , were a r t i f i c a l l y e s ta b li s h e d f o r two t a s k s , c a r d s o r t i n g an d m ir r o r draw ing, i n human s u b j e c t s .

H a lf o f t h e s u b je c ts i n each o f t h e

t h r e e groups were th e n t o l d to do m ore work on one o f t h e t a s k s t h a t th e eoqperim enter s p e c i f i e d , an d t h e o th e r h a l f were t o l d to s e l e c t one o f t h e t a s k s and work o n i t .

The s i x groups o f s u b je c ts th u s form ed

w ere given tw ic e a s much tim e a s was n e c e s s a ry f o r th e c o m p le tio n o f th e t a s k s a n d th e y w ere aware fro m t h e b e g in n in g t h a t th e y would h a v e t h i s e x t r a tim e .

O th e r a c t i v i t i e s w hich were t o p ro v id e t h e e x t r i n s i c

i n s t i g a t i o n , a j i g saw p u z z le , a t a b l e b o w lin g game, and a F lip p game, w ere a v a i l a b l e t o th em d u rin g t h i s p e r io d b u t were n o t m entioned by th e e x p e rim e n te r.

D u rin g t h i s c h o ic e p e r io d th e s u b je c ts were l e f t a lo n e ,

so t h a t t h e i r b e h a v io r w ould b e a s u n in h ib ite d a s p o s s i b l e , a n d th e y were o b se rv e d th ro u g h a one way v i s i o n m ir r o r . I n s t i g a t i o n t o ap p ro ach t h e m ir r o r draw ing o r c a r d so rtin g ., m ig h t h av e been c a u se d b y a nunfcer o f f a c t o r s .

F ir s t , th e ta s k i t s e l f

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

m ight have b e a n i n t r i n s i c a l l y i n t e r e s t i n g to th e su b je c t* had b e e n p r a i s e d f o r h i s work on i t .

Second, he

T h ir d , th e i n s t r u c t i o n s them ­

s e lv e s s e re a s o u rc e o f i n s t i g a t i o n to a p p ro a c h .

F i n a l ly , t h e s u b je c ts

were p a id f o r t h e i r s e r v ic e s , and i t i s n o t u n lik e l y t h a t t h e r e was some m o tiv a tio n to f i n i s h th e ex perim ent and c o l l e c t t h e money. The i n s t i g a t i o n t o a v o id t h e ta s k s was c o n tr ib u te d m ainly by t h e n a tu r e of t h e t a s k s th e m se lv e s , w hich had been made u n p le a s a n t enough to c a u se a c e r t a i n amount o f avoidance o f them (e x c e p t i n th e group 8 i n w hich m ild ly p le a s a n t a f f e c t was c r e a t e d ) .

In th e c a se s

w here th e s u b je c t d i d l i k e t h e t a s k , a s l i g h t a v o id a n c e g r a d ie n t m ight have been p ro d u ced b y t h e n e c e s s ity o f c h o o sin g betw een them , i . e . , a n i m p l i c i t Type 4 c o n f l i c t may have e x is te d , a lth o u g h th e r e was n o th in g i n t h e i n s t r u c t i o n s t h a t p re v e n te d them from d o in g b o th . G oing b ack to t h e i n d i v id u a l groups now i t may b e seen t h a t th e s u b j e c t s vho w ere t o l d t o do one o f th e t a s k s d e s ig n a te d by t h e ex­ p e r im e n te r were p la c e d i n sin g L e a p p ro ach -a v o id a n ce c o n f l i c t s i t u a t i o n s w ith t h e r e l a t i v e s tr e n g t h s o f th e i n s t i g a t i o n t o approach and a v o id th e t a s k v a r y in g from s tr o n g ap p roach and l i t t l e o r no a v o id an ce th ro u g h a p p ro x im a te ly e q u a l s t r e n g t h o f b o th , t o s tr o n g av o id an ce and w eaker approach*

The s u b je c ts vho w ere t o l d to s e l e c t a ta s k th em selv es aid

work on i t w ere p la c e d i n douhLe approach-avo id a n c e c o n f l i c t s w ith t h e same ran g e o f v a r i a b i l i t y o f r e l a t i v e s tr e n g th o f i n s t i g a t i o n .

The

gro u p s t h u s form ed, t h e ty p e o f c o n f l i c t , and t h e ty p e o f e f f e c t i v e i n s t i g a t i o n p r e s e n t have b een summ arized i n T a b le 1 . P re v io u s i n v e s t i g a t i o n s have R em o n strated t h a t when in d iv id u a ls a r e p la c e d i n v a r io u s ty p e s o f c o n f l i c t s i t u a t i o n s th e y behave i n c h a r a c t e r i s t i c w ays, a n d c e r t a i n a s p e c ts o f t h e i r b e h a v io r can b e p r e -

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

T a b le 1 The ty p e s o f c o n f l i c t and t h e p red o m in an t ty p e s o f i n s t i g a t i o n i n t h e s i x e x p e rim e n ta l groups*

Group

Type o f C o n f lic t

Type o f i n s t i g a t i o n

I

Double a p p ro a c h -a v o id a n c e

ap p ro ach

II

Double a p p ro a c h -a v o id a n c e

n e u tra l

III

Double q p p ro ach -av o id an c e

a v o id an ce

17

S in g le a p p ro a c h -a v o id a n c e

approach

V

S in g le a p p ro a c h -a v o id a n c e

n e u tra l

VI

S in g le a p p ro a c h -a v o id a n c e

av o id an ce

d i e t e d from r e l a t i v e l y f e e s tim u lu s re s p o n s e p r i n c i p l e s .

The p r e s e n t

e x p e rim e n t, o u t l i n e d above, d e a l s w ith t h e b e h a v io r to b e e x p e c te d when a new v a r i a b l e , t h e p o s s i b i l i t y o f e s c a p e from t h e c o n f l i c t s i t u a t i o n a l t o g e t h e r , i s in tro d u c e d f o r a l i m i t e d p e r i o d o f t im e .

The l e s s

s o lu b le c o n f l i c t s u s e d a r e c a p a b le of b e in g m o d ifie d t o become more e a s i l y s o lu b l e .

The o r i g i n a l i n s t i g a t i o n t o make t h e re sp o n se

t h a t p r o v id e s t h e e sc a p e i s n o m in al. P r e v io u s ly a c o n f l i c t was shown t o be m ost d i f f i c u l t t o r e ­ s o lv e when ap p ro ach and a v o id a n c e i n s t i g a t i o n w ith r e s p e c t t o a s in g l e g o a l i s o f a p p ro x im a te ly e q u a l s t r e n g t h , an d when a v o id a n c e i n s t i g a ­ t i o n w ith r e s p e c t t o each o f t h e tw o in c o n p a tib le g o a l r e s p o n s e s e q u a l o r ex ce ed i n s t i g a t i o n t o a p p ro a c h t h e same g o a ls .

In th e l a t t e r case,

t h e s e v e r i t y o f c o n f l i c t a s m easured b y th e amount o f d i s r u p t i o n o f b e h a v io r , becomes g r e a t e r w ith i n c r e a s e i n t h e r e l a t i v e s tr e n g th o f th e i n s t i g a t i o n t o a v o id .

G iven t h e same r e l a t i v e s t r e n g t h o f o p posing

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

i n s t i g a t i o n , t h e d o u b le a p p ro a c h -a v o id a n c e ty p e o f c o n f l i c t s i l l b e l e s s s o lu b le th a n t h e s i n g l e a p p ro a c h -a v o id a n c e ty p e .

A c o n f l i c t is

r e a d i l y s o lu b le when o n ly ap p ro ach i n s t i g a t i o n i s p r e s e n t (Type 1 i

c o n f l i c t ) , a Type U c o n f l i c t , when t h e ap p ro ach i n s t i g a t i o n a r e s u p e r io r enough i n s tr e n g t h t o th e av o id an ce t h a t th e r e i s no e f f e e t i v e i n t e r f e r e n c e w ith a p p ro a c h r e s p o n s e s , o r a Type 2 c o n f l i c t , when t h e s tr e n g t h s o f t h e ap p ro a c h and a v o id an ce i n s t i g a t i o n a r e so u n eq u al t h a t one o r t h e o th e r re sp o n s e may be aad e w ith o u t i n t e r f e r e n c e .

The

d i f f i c u l t y o f r e s o l u t i o n of t h e c o n f l i c t depends o n t h e r e l a t i v e s tr e n g t h a n d n u a b e r o f av o id a n c e i n s t i g a t i o n s p r e s e n t.

From t h i s

a n a l y s i s i t w i l l b e s e e n t h a t i n c r e a s i n g t h e s tr e n g t h o f t h e in s ti g a r t i o n to a p p ro a c h , v h i l e h o ld in g t h e i n s t i g a t i o n t o a v o id c o n s ta n t, w i l l _ make an i n s o lu b le c o n f l i c t s o lu b le * S e v e r a l co n seq u en ces m a y b e e x p e c te d from t h e e x p e rim e n ta l-/ s i t u a t i o n d e s c rib e d ab o v e.

( 1 ) Going o u t o f t h e f i e l d , w hich f o r then,

p u rp o se s o f t h i s ex p erim en t i s d e s c rib e d a s a response t o a n e x t r i n s i c i n s t i g a t o r , i s e x p e c te d t o o c c u r when t h e re s p o n s e s to t h e o r i g i n a l In­ s t i g a t o r s a r e I n h ib i t e d due t o a c o n f l i c t n o t r e a d i l y s o lu b le ; i t w i l l n o t o c c u r vhen th e c o n f l i c t i s r e a d i l y s o l u b l e .

( 2 ) I f , a f t e r th e

re s p o n s e t o t h e e x t r i n s i c i n s t i g a t o r h a s o c c u rre d , some means such as a tim e l i m i t f o r m aking a c h o ic e i s u s e d t o f o r c e t h e s u b je c t b a c k i n t o t h e c o n f l i c t s i t u a t i o n , th e n o s c i l l a t i o n betw een t h e c o n f l i c t i n s t i g a t o r s and t h e e x t r i n s i c i n s t i g a t o r sh o u ld o c c u r j u s t b e f o r e a c h o ic e i s made* ( 3 ) The amount o f o s c i l l a t i o n s h o u ld in c r e a s e w ith t h e d e g r e e t o w hich t h e c o n f l i c t was o r i g i n a l l y d i f f i c u l t to re so lv e *

( 4 ) The g e n e r a l m o t i l i t y

o f t h e s u b je c t lik e w is e s h o u ld b e g r e a t e s t j u s t b e fo re a c h o ic e i s made an d s h o u ld v a ry p o s i t i v e l y w i t h t h e d i f f i c u l t y o f r e s o lv in g t h e c o n f lic t*

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

( 5 ) B lo c k in g i s e x p e c te d t o f o llo w t h e same p a t t e r n a s o s c i l l a t i o n and m o tility .

The t h e o r e t i c a l b a s i s f o r th e s e e x p e c ta tio n s w i l l b e d i s ­

c u s se d below , an d th e n a p p lie d s p e c i f i c a l l y to t h e p r e s e n t p ro b le m . The r e l a t i o n b etw een so t ry? n u t o f t h e f i e l d and d eg ree o f d i f f i c u l t y of re s o lu tio n o f th e c o n f lic t. When t h e o r i g i n a l re s p o n s e s a r e i n h i b i t e d by a c o n f l i c t , r e ­ sp o n se s to e x t r i n s i c i n s t i g a t o r s a r e n o t o n ly p e r m itte d b u t th e y may be s tr e n g th e n e d .

T h at t h i s s h o u ld b e so can b e s e e n on c o n s id e r a tio n

o f t h e way i n ifc ic h t h e v a r io u s i n s t i g a t i o n s p r e s e n t w i l l automate.

It

h a s b ee n s t a t e d p r e v io u s ly t h a t when i n s t i g a t i o n s t o in c o m p a tib le re s p o n s e s a re e q u a l i n s t r e n g t h th e y w i l l em anate to g iv e an e f f e c t i v e i n s t i g a t i o n , t o e i t h e r r e s p o n s e ,o f z e r o .

Bub t h e i n s t i g a t i o n s "c a n c e l*

e a c h o th e r o n ly liie n t h e re s p o n s e s a r e in c o n p a tib le .

I f , i n a d o u b le

ap p ro a c h -a v o id a n c e c o n f l i c t w here th e i n s t i g a t i o n i s p r im a r i ly n e g a tiv e , a new re s p o n s e i s p e rm itte d , on e t h a t i s in c o n p a tib le w ith b o th a v o id a n c e r e s p o n s e s , t h e i n s t i g a t i o n s to a v o id s h o u ld summate p o s i t i v e l y w ith t h e i n s t i g a t i o n t o make t h e new re s p o n s e , th e re b y i n c r e a s in g t h a t /

in s tig a tio n .

However, such a re s p o n s e would presum ably b e in c o n p a tib le

w ith t h e ap p ro ach re s p o n s e s i n th e c o n f l i c t s i t u a t i o n , i f any s h o u ld e x i s t , and th e i n s t i g a t i o n t o make t h e l a t t e r re sp o n s e s d io u ld sub­ t r a c t fro m t h a t t o make t h e new r e s p o n s e .

I f t h e ap p ro ach and avoidance

i n s t i g a t i o n s to t h e c o n f l i c t r e s p o n s e s a r e e q u a l, t h e r e f o r e , n o t o n ly w i l l t h e e f f e c t i v e i n s t i g a t i o n t o e i t h e r o o n f l i c t re s p o n s e b e z e ro , b u t t h e e f f e c t o f t h e s e i n s t i g a t i o n s on t h e new re sp o n s e w i l l c a n c e l each o t h e r . T h is re sp o n s e may s t i l l b e m ade, how ever, b e c a u se t h e new o b j e c t i s assumed t o h av e some in d ep en d en t v a lu e a s a n i n s t i g a t o r and t h e o th e r p o s s ib le re s p o n s e s i n t h e s i t u a t i o n a r e b lo c k e d b y th e o o n f l i c t .

Should

th e i n s t i g a t i o n to a p p ro a c h t h e c o n f l i c t re s p o n s e s b e g r e a t e r th a n t h a t

Reproduced with permission o f the copyright owner. Further reproduction prohibited without permission.

t o a v o id them , re s p o n s e t o t h e e x t r i n s i c i n s t i g a t o r sh o u ld b e p re ­ v e n te d u n le s s t h a t i n s t i g a t o r i s t h e so u rce o f a good d e a l o f approach i n s t i g a t i o n by i t s e l f .

The same r e l a t i o n s h i p s sh o u ld h o ld in t h e c a s e

of t h e s i n g l e a p p ro a c h -a v o id a n c e .

H ere, however, s in c e th e r e i s o n ly

one so u rc e o f av o id an ce i n s t i g a t i o n , i t can add o n ly h a l f as much to t h e i n s t i g a t i o n t o a p p ro ac h t h e new resp o n se as t h e two s o u rc e s i n th e d o u b le ap p ro a ch -a v o id a n c e, p ro v id e d t h e s tr e n g th s a r e e q u a l.

Thus i t

h a s b e e n shown t h a t t h e re s p o n s e t o t h e e x t r in s i c i n s t i g a t o r depends on th e nunfoer and th e s tr e n g th o f t h e a v o id a n c e i n s t i g a t i o n s p r e s e n t . The i n s o l u b i l i t y o f t h e c o n f l i c t a l s o depends on th e s e f a c t o r s .

T here­

f o r e a h ig h c o r r e l a t i o n betw een th e two i s e j e c t e d . O s c i l l a t i o n betw een t h e e x t r i n s i c i n s t i g a t o r s and t h e c o n f l i c t i n s t i g a t o r s a s t h e c o n f L ic t becomes s o lu b le I f t h e c o n f l i c t i s to become more s o lu b l e , i t m ust m eet th e con­ d itio n s o f a s o lu b le c o n f l i c t d e s c rib e d above, nam ely, t h e i n s t i g a t i o n to approach m ust b e g r e a t e r th a n t h a t t o a v o id .

I n t h i s c a s e t h e so u rc e o f

th e a d d i t i o n a l approach i n s t i g a t i o n i s th e a p p ro ach in g tim e l i m i t .

This

i n s t i g a t i o n t o approach th e c o n f l i c t i n s t i g a t o r s w i l l , by summ ation, de­ c r e a s e t h e i n s t i g a t i o n t o a v o id t h e e x t r i n s i c i n s t i g a t o r s .

The n e a rn e s s

o f t h e tim e l i m i t a l s o may c r e a t e s p e c if ic i n s t i g a t i o n t o av o id th e l a t t e r which d o e s not d e r iv e fro m in c r e a s e d i n s t i g a t i o n t o ap p ro a c h th e fo rm e r.

T h is w i l l te n d t o b r in g ab o u t a s t a t e o f e q u ilib r iu m betw een i n ­

s t i g a t i o n t o a p p ro a c h c o n f l i c t and e x t r i n s i c i n s t i g a t o r s .

A ccording to

p re v io u s s t u d i e s ( M ille r , L ip o fsk y , and Brown, 1940) o s c i l l a t i o n betw een t h e two i n s t i g a t o r s s h o u ld t a k e p la c e a t t h a t tim e .

When t h e ap p ro ach

i n s t i g a t i o n has become g r e a t e r th a n t h a t o f avoidance a c h o ic e w i l l be made.

T h e re fo re , th e s t a t e o f e c y iilib riu m a n d t h e o s c i l l a t i o n i t p ro d u ces

w i l l o ccu r j u s t b e fo re t h e s u b je c t makes a ch o ice*

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

R e la tio n o f t h e «tou"+ re s o lu tio n : Of t h e Q O PfllSl

*a t h e o r i g i n f t . f t f f i c u l t v o f

When t h a t av o id an ce i n s t i g a t i o n i a much s tr o n g e r th a n t h a t o f approach i n a c o n f l i c t s i t u a t i o n , a s i n Groups i l l and VI i n t h e p r e s e n t ex p erim en t, th e re w i l l have to b e a c o n s id e ra b le i n c r e a s e i n t h e s tr e n g th o f t h e l a t t e r fa o r d e r to make th e c o n f l i c t become r e a d i l y so lu b le *

T h e re fo re , a lth o u g h th e r e o b v io u sly can be o n ly one

p o in t o f e x a c t e q u a l i t y o f i n s t i g a t i o n , t h e r e w i l l b e a c o n s id e ra b le p e r io d o f tim e i n w hich t h e i n s t i g a t i o n i s a p p ro x im a te ly equal*

T h is

means t h a t th e r e w i l l b e $ome tim e i n which moment t o moment v a r i a t i o n s i n t h e i n s t i g a t i o n can s h i f t t h e e q u ilib r iu m and c o n s e q u e n tly p ro d u ce o s c i l l a t o r y b e h a v io r.

When, a s i n t h e c a s e o f Groups I I and V, i n ­

s t i g a t i o n to a p p ro a c h an d av o id an ce r e s p o n s e s i n t h e c o n f l i c t s i t u a t i o n a r e a p p ro x im a te ly e q u a l i n t h e b e g in n in g alm ost any in c r e a s e i n t h e approach i n s t i g a t i o n m i l l r c a u s a : t h e . c o n f l i c t t o become e a s ily s o lu b le . The p e r io d o f ap p ro x im a te e q u a lity o f i n s t i g a t i o n befo re a c h o ic e i s made w i l l th e r e f o r e not b e a s lo n g a s i n t h e p re v io u s c a s e and t h e o s c i l l a t i o n w i l l n o t b e a s g re a t* Number a s w e ll a s s t r e n g t h o f av o id an ce i n s t i g a t i o n s d io u ld b e a f a c t o r i n t h e amount o f o s c i l l a t i o n *

I n th e s in g le a p p ro a c h -a v o id a n c e

s i t u a t i o n , a r e s o l u t i o n o f t h e c o n f l i c t s h o u ld o c c u r a s soon a s t h e i n ­ s t i g a t i o n t o ap p ro ach h a s become g r e a t e r th a n t h a t to avoid*

I n th e

dou b le a p p ro a c h -a v o id a n c e , how ever, t h e r e a r e two p o s s ib le r e s o l u t i o n s of th e c o n flic t.

When th e ap p ro ach i n s t i g a t i o n com es, th ro u g h p a s s a g e

o f tim e , t o d o m in ate, t h e s u b je c t w i l l s t i l l e x p e rie n c e d i f f i c u l t y i n making up h i s m ind w hich re sp o n s e t o make an d may o s c i l l a t e b ack and f o r t h b etw een t h e two*

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

C o r r e la tio n betw een g e n e ra l m o t i l i t y an d original re s o lu tio n o f th e o o n flic t

r»f

Nob o n ly sh o u ld t h e o e d i l a t i o n o f t h e s u b je c t i n c r e a s e a t th e tim e when t h e i n s t i g a t i o n s in v o lv e d a re a p p ro x im a te ly e q u a l and a c h o ic e i s a b o u t t o be made, b u t t h e g e n e r a l m o t i l i t y w ith r e s p e c t t o a l l p o s s i b l e re s p o n s e s s h o u ld i n c r e a s e a s w ell*

T h is s h o u ld b e

m ost a p p a re n t when t h e o r i g i n a l d i f f i c u l t y o f r e s o l u t i o n i s g r e a t e s t . I n su c h c a s e s , when t h e av o id a n c e o f t h e e x t r i n s i c i n s t i g a t o r s b u ild s up d u e to in c r e a s e d p r e s s u r e on th e s u b je c t to make a c h o ic e , h e sh o u ld te n d in c r e a s in g ly to le a v e w h a te v e r e x t r i n s i c i n s t i g a t o r i s occu p y in g him a n d move i n t h e d i r e c tio n o f t h e t a s k s .

But s in c e

a v o id an c e t o th e s e i s s t i l l s tr o n g , t h i s movement sh o u ld n o t p ro g re s s v ery f a r , and t h e s u b je c t s h o u ld t e n d t o moVe back a g a in to w ard t h e e x trin s ic in s tig a to r s .

I t i s to b e e x p e c te d on t h e b a s i s o f chance

t h a t , p a r t o f t h e tim e a t l e a s t , he s h o u ld r e t u r n -to one d i f f e r e n t from t h a t h e h a s j u s t l e f t ,

s in c e i n s t i g a t i o n t o ap p ro ach t h e e x t r i n ­

s i c o b je c ts i s l a r g e l y d e term in e d by av o id an ce o f t h e c o n f l i c t t a s k s , and a l l su ch e x t r i n s i c o b j e c t s a r e e q u a lly c o m p a tib le w ith t h e a v o id an ce resp o n ses.

I n o th e r w o rd s, g r e a t e r m o t i l i t y s h o u ld o ccu r b ecau se

g r e a t e r o s c i l l a t i o n d o e s , and b e cau se e x t r i n s i c i n s t i g a t i o n i s l a r g e l y o v e r-d e te rm in e d * C o r r e l a t io n betw een th e amount o f b lo c k in g and th e o r i f ^ * ^ - ^ . f f i c u l t v of r e s o l u t i o n o f t h e conflict F o llo w in g t h e argum ent p r e s e n te d i n c o n n e c tio n w ith in c r e a s e i n b o th amount o f o s c i l l a t i o n b etw een th e c o n f l i c t an d t h e e x t r i n s i c in ­ s t i g a t o r s a n d amount o f g e n e r a l m o t i l i t y , i t i s e x p e c te d t h a t p u re b lo c k in g w i l l a l s o o ccu r a t t h e tim e when t h e s u b je c t i s a b o u t t # make a c h o ic e an d t h a t i t w i l l b e g r e a t e s t when t h e c o n f l i c t i s g r e a t e s t .

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

I f t h e a n x ie ty c r e a t e d b y n o t c o m p le tin g a ta s k d r iv e s t h e s u b je c t away from a l l t h e e x t r i n s i c i n s t i g a t o r s so t h a t h e i s no lo n g e r a b le t o re sp o n d t o any o f them ev en t e n t a t i v e l y , com plete b lo c k in g sh o u ld r e s u l t b efo re a c h o ic e i s made.

T his b e h a v io r h a s been shown t o

o c c u r m ost f r e q u e n tly when c o n f l i c t i s m ost s e v e r e .

When i t d o es

a p p e a r i t s h o u ld b e a f t e r th e s u b je c t h a s c e a s e d a l l re s p o n s e s t o o th e r o b j e c t s .

I n l e s s s e v e re c o n f l i c t s i t may n o t o c c u r a t a l l b u t

d i f f i c u l t y i n making a c h o ic e may be m a n ife s te d by o s c i l l a t i o n betw een th e t a s k s . B eh a v io r p r e d ic te d f o r Group I I n Group I th e s u b je c ts were t o l d to ch o o se one o f two t a s k s f o r i h i c h t h e y had a m ild ly p le a s a n t a f f e c t .

In t h i s case a l l o f th e

s o u rc e s o f ap p ro ach i n s t i g a t i o n w ere o p e r a tin g .

The o n ly p o s s i b l e

s o u rc e o f i n s t i g a t i o n t o a v o id t h e t a s k s was t h e f r u s t r a t i o n in v o lv e d i n g iv in g up one o r t h e o th e r*

T h is , i f i t e x is t e d a t a l l , was p ro b a b ly

s l i g h t f o r t h e r e a s o n , p o in te d o u t ab o v e, t h a t t h e r e was n o th in g t o p re v e n t him from d o in g b o th i f he w anted t o .

A nother re a s o n f o r ex­

p e c t i n g a l i g h t av o id a n ce i s t h a t two o f t h e s o u rc e s o f i n s t i g a t i o n t o a p p ro a c h , i n s t r u c t i o n s an d p a y , would make f o r i n d is c r im in a te a p p ro a c h , s in c e t h e ta s k i s o n ly a means t o a n e n d .

Hence t h i s s i t u a t i o n may be

d e s c rib e d a s a d o u b le a p p ro a c h -a v o id a n c e w hich v e r y c l o s e l y ap p ro x im a te s t h e a p p ro a c h -a p p ro a c h t y p e .

T h e re fo re a minimum o f b e h a v io r d i s r u p t i o n ,

and no w ith d ra w a l from t h e s i t u a t i o n , i s t o be e x p e c te d on th e bauds o f th e p r e s e n t h y p o th e sis* B ehav io r p r e d i c t e d f o r Group I I The s u b j e c t s i n Group I I w ere i n s t r u c t e d t o choose betw een two

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

ta s k s f o r ifc ic h th e y f e l t eome d ie t a s t e .

Two o f t h e s o u rc e s o f

m o tiv a tio n , i n s t r u c t i o n s and p a y , w ere o p e r a tin g .

The n a tu r e o f th e

o r i g i n a l e x p e rie n c e s w ith t h e ta s k s was h e r e presum ably a so u rc e o f av o id an ce i n s t i g a t i o n , which i s assumed t o b e e q u a l to o r s l i g h t l y g r e a t e r th a n i n s t i g a t i o n to a p p ro a c h , th u s p ro d u c in g a d o u b le a p p ro ach av o id an ce c o n f l i c t in te rm e d ia te betw een t h e extrem es o f ap p ro ach -ap p ro ach and a v o id a n c e -a v o id a n c e .

H ere th e s u b je c t sh o u ld re sp o n d t o th e ex­

t r i n s i c i n s t i g a t o r s u n t i l t h e approach o f t h e tim e l i m i t in c r e a s e s t h e i n s t i g a t i o n t o ap p ro ach t h e t a s k s and produces a c o rre s p o n d in g d e c re a s e i n t h e e f f e c t i v e s tr e n g th o f t h e e x t r in s i c i n s t i g a t o r s .

S in c e th e

ap p ro ach and avoidance i n s t i g a t i o n w ith r e s p e c t t o t h e ta s k s a r e n e a r ly eq u al a n d n o t v ery s tr o n g , t h e d u r a tio n o f re sp o n s e to th e e x t r i n s i c i n s t i g a t o r s s h o u ld n o t be v e ry g r e a t.

In c re a s e d o s c i l l a t i o n and m o t i l i t y

sh o u ld b e found j u s t b e f o re r e s o l u t i o n o f t h e c o n f l i c t ta k e s p la c e * Only a s m a ll amount o f b lo c k in g sh o u ld o c c u r. B eh a v io r p r e d ic te d f o r Group I I I The s u b je c ts i n Group I I I w ere t o l d t o choose one o f two ta s k s t h a t th e y v e ry much d i s l i k e d .

Here i n s t i g a t i o n t o approach t h e t a s k s ,

p ro v id e d b y i n s t r u c t i o n s and e x p e c ta tio n o f p ay , i s assum ed t o be h e a v ily outw eighed b y t h e d i s l i k e o f t h e t a s k s .

T h is s i t u a t i o n t h e r e ­

f o r e r e p r e s e n t s a d o u b le ap p ro a c h -a v o id a n c e c o n f l i c t t h a t c l o s e ly ap p ro ach es t h e p u re a v o id a n c e -a v o id a n c e ty p e .

A g r e a t e r d e g re e o f

d i f f i c u l t y o f r e s o l u t i o n i s e x p e cted h e r e th a n i n t h e p re c e d in g s i t u a ­ t i o n s , and a g r e a t e r re sp o n s e to e x t r i n s i c i n s t i g a t o r s s h o u ld o c c u r. The am ount o f o s c i l l a t i o n betw een ta s k s and e x t r i n s i c i n s t i g a t o r s , g e n e r a l m o t i l i t y and b lo c k in g sh o u ld b e g r e a t e r , and t h e i r p r e d i c t e d d i s t r i b u t i o n i n tim e c l e a r l y o b se rv a b le *

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

The above p r e d i c t lo n e f o r t h e ^ i r i t t h r e e g ro u p s c o rre sp o n d w ith t h e r e s u l t s o b ta in e d w ith r a t s b y Brown w ith r e s p e c t t o g o in g out o f t h e f i e l d (1 9 4 2 ).

I n c o n n e c tio n w ith a l l o f h is s tim u lu s p a i r s ,

when t h e ap p ro ach te n d en cy was v ery much s tr o n g e r th a n th e a v o id a n c e te n d e n c y , he found a lm o st no g o in g o u t o f t h e f i e l d ; when t h e te n d e n c ie s w ere n e a r ly e q u a l, he fo u n d some; and when t h e a v o id a n c e te n d e n c ie s were s tr o n g e r , th e g r e a t e s t amount o f going o u t of t h e f i e l d occu rred ,. B ehavior p r e d ic te d f o r Group IV T here ahould have b een no d is r u p tio n o f b e h a v io r i n Group IV s in c e t h e r e w ere no i n s t i g a t i o n s t o in c o m p a tib le r e s p o n s e s .

The sub­

j e c t was sim p ly i n s t r u c t e d t o do a ta s k f o r which h e had p o s i t i v e in s tig a tio n .

He sh o u ld a c c o r d in g ly b e found t o have gone d i r e c t l y to

th e t a s k and to have w orked on i t u n t i l i t was com pleted* B ehav io r p r e d i c t e d f o r Group V The s u b je c ts i n Group V w ere i n s t r u c t e d to p erfo rm a ta s k f o r vti ic h th e y had a c e r t a i n amount o f d i s l i k e .

P resum ably t h e i n s t i g a t i o n

t o a v o id was a b o u t eq u al i n s tr e n g t h to t h e i n s t i g a t i o n t o approach p ro v id e d by t h e i n s t r u c t i o n s and t h e p a y , th u s p ro d u c in g a s i n g l e ap p ro ac h -a v o id a n ce c o n f l i c t .

By t h e h y p o th e s is t h e r e s h o u ld b e some

s l i g h t amount o f re s p o n s e t o t h e e x t r i n s i c i n s t i g a t o r s , b u t n o t so much as i n Group I I s in c e i n t h e l a t t e r t h e r e w ere two s o u rc e s o f av o id an ce in s tig a tio n .

A l i t t l e p r e s s u r e from t h e a p p ro a c h in g tim e l i m i t s h o u ld

fo rc e t h e s u b je c t t o make a c h o ic e , and o s c i l l a t i o n , g e n e r a l m o t i l i t y and bL ocking s h o u ld b e l e s s marked th a n i n Group I I * B ehav io r p r e d i c t e d f o r Group V I These s u b je c ts w ere i n s t r u c t e d t o p e rfo rm a t a s k w h ich th e y d i s -

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

l i k e d v e ry much.

I a t h i s 7oaae t h e s tr e n g th o f t h e i n s t i g a t i o n t o av o id

th e g o a l i s much g r e a t e r t h a n t h e s tr e n g th o f t h e i n s t i g a t i o n to ap p ro a ch .

A ccording t o t h e h y p o th e s is , th e t i n e e la p s in g b e f o re t h e

t a s k i s s t a r t e d , and th e re s p o n s e t o t h e e x t r i n s i c i n s t i g a t o r s , sh o u ld be g r e a t e r th a n i n Group 7 .

They s h o u ld be l e s s th a n i n Group I I I ,

how ever, b e c a u se i n Group VI t h e r e was o n ly one so u rc e o f av o id an ce in s tig a tio n .

The same r e l a t i v e in c id e n c e o f o s c i l l a t i o n , m o t i l i t y

and b lo c k in g i s exp ected *

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

Ill

•*

P ro c e d u re T asks and a p p a r a tu s The ta s k s t o b e u s e d a s t h e s o u rc e s o f c o n f l i c t i n t h e ex p erim en t m ust meet t h e re q u ire m e n ts p e c u l i a r t o t h i s ty p e o f s itu a tio n .

I n t h e f i r s t p la c e t h e y m ust be such t h a t th e same d e ­

g re e o f s u c c e s s may i n o n e c ase b e c a H i d good, and in a n o th e r b a d . T h e re fo re no t a s k w here t h e r e i s a p o s s i b i l i t y o f a p e r f e c t s c o re c o u ld b e u s e d .

They s h o u ld a ls o r e q u ir e a r e l a t i v e l y s h o r t p e r f o r ­

mance tim e so t h a t tim e s c o re s c o u ld b e f a l s i f i e d i f n e c e s s a ry w ith ­ o u t a r o u s in g th e s u b j e c t 's s u s p ic io n .

I t i s e a s i e r to add o r sub­

t r a c t seco n d s fro m a s c o r e w ith o u t c a u s in g s u s p ic io n t h a n to do t h e same w ith m in u te s .

The tim e f o r each in d i v i d u a l t r i a l sh o u ld be

a p p ro x im a te ly t h e same a f t e r a c e r t a i n l e v e l o f p r a c t i c e h a s b een a tta in e d .

The t a s k s sh o u ld be am enable t o a u to m a tic r e c o r d in g s o t h a t

th e f a c t t h a t h i s p erfo rm an ce i s b e in g re c o rd e d i n th e ab sen ce o f th e e x p e rim e n te r may b e im p re s s e d o n t h e 's u b j e c t ; and i t s h o u ld n o t b e p o s s i b l e e a s i l y t o f a ls if y * th e r e c o r d s .

F i n a l l y , th e t a s k s s h o u ld be

c l e a r l y d i v i s i b l e i n t o s e p a r a te s u b - p a r ts su ch a s t r i a l s . The t a s k s s e l e c t e d w ere c a r d s o r t i n g and m ir r o r d raw in g . seemed to f i t a l l t h e re q u ire m e n ts .

T hese

The m ir r o r d raw in g , i n a d d i t i o n ,

f u r n is h e d a n ex cu se f o r t h e p re s e n c e o f a m ir r o r w hich s e rv e d a s a one way v i s i o n window i n a s e t t i n g t h e r e i t m ight have been rem arked and s u s p e c te d o th e r w is e .

C ard s o r t i n g h a s b een u se d i n p re v io u s ex ­

p e r im e n ta tio n by S e a rs (1 9 4 2 ), who fo u n d t h a t a d e s ir e d a f f e c t c o u ld r e a d i l y be b u i l t up to w a rd i t .

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

The games u s e d a s e x t r i n s i c i n s t i g a t o r s w ere a t a b l e b o w lin g game, a l i n e a r j i g s a w .p u z z le , a n d a F lip p game in which s u b je c t a tte m p te d t o la n d c o lo r e d c o u n te r s i n t h e c o rre s p o n d in g ly c o lo r e d s l o t s fay m a n ip u la tio n o f a l e v e r . These t a s k s and games were d i s t r i b u t e d ab o u t t h e e x p e rim e n ta l room a p p a r e n tly a t random a s shown i n t h e diagram i n f ig u r e 1 . room i t s e l f was b a re w ith p a in te d w a lls and cement f lo o r * e n te r e d by a d o o r a t one end, o p p o s ite w hich was a window.

The

I t was The door

c o n n e c tin g i t w ith t h e n e x t room w hich s e rv e d a s t h e o b s e rv a tio n cham ber was alw ays k e p t lo c k e d .

S e v e ra l c o lo re d p o s te r s o f S w itz e r ­

la n d v h ic h w ere hung on t h e w a lls p ro v id e d th e o n ly b r ig h t n o te i n th e room. F o r t h e c a r d s o r t i n g t a s k u se was made o f c a rd s h a v in g t h e same g e n e r a l ap p earan ce a s th o s e u s e d in th e Duke ESP e x p e rim e n ts. d eck c o n ta in e d 50 c a r d s , 10 each o f f i v e d i f f e r e n t d e s ig n s .

Each S in c e i t

was n e c e s s a ry to make t h e s u b je c t t h i n k t h e r e would be a check on a c c u ra c y , a d i f f e r e n t d e sk o f p resu m ab ly p r e -a r r a n g e d c a r d s was p ro ­ v id e d f o r each t r i a l he w ould h av e t o do i n t h e absence o f t h e ex­ p e rim e n te r* The a p p a ra tu s u se d t o r e c o r d p erfo rm an ce on t h i s t a s k con­ s i s t e d o f a s e r i e s o f 5 c h u te s (one f o r each k in d o f c a r d ) , t h e to p op en in g s o f w hich ex ten d ed beyond t h e to p o f t h e box i n w hich th e y were e n c lo s e d a n d were m arked w ith t h e symbol o f ope of th e c a r d s . These c h u te s em p tied i n t o draw ers a t t h e b ottom o f t h e box.

As e ach

c a r d t r a v e l l e d down t h e c h u te , i t d e p re s s e d a l e v e r which c lo s e d th e e l e c t r i c c i r c u i t a c t u a t i n g a r e l a y , a n d t h i s , i n t u r n , moved a m arker on a c o n s ta n t sp e e d p o ly g ra p h .

Each c h u te was r e l a t e d t o a d i f f e r e n t

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

°Y

\

M V 0



(I

/

■ rp ri«

0

w—

s

R

P A E°

F

n ^F 0 p 0 bO

MD

E

H

L

1H v o |

\

F ig u re 1 Diagram o f th e e x p e rim e n ta l room from above w ith th e w a lls l a i d b ac k . W, t h e window; Y, th e w a ll p lu g ; 0 , c h a i r s ; A, p o ly g ra p h ; CS, c a r d s o r t i n g a p p a r a tu s ; D, p o s te r s o f S w itz e rla n d ; V, c lo c k ; S, s in k ; E, s to p w a tc h ; MD, m ir r o r draw ing a p p a r a tu s ; M, o b se rv a ­ t i o n m ir r o r ; F, F lip p game; P , p u z z le ; B, bow ling game; H, d o o rs; L, lo c k e r ; N, n o te l e f t on t h e d o o r t e l l i n g th e s u b je c t t o w a it f o r th e e x p e rim e n te r.

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

marker*

Thus t h e d i s p o s i t i o n o f each c a r d mas raoorddd i n p ro p e r

sequence* The m ir r o r d raw ing a p p a ra tu s c o n s is t e d o f t h e c o n v e n tio n a l o u t l i n e o f a s t a r c u t i n a b r a s s p l a t e mounted on a p ie c e o f b a k e l i t e . T his was f a s t e n e d o n a p la tf o r m o f t a b l e h e ig h t b e f o r e t h e one way v is i o n m i r r o r , and was s h ie l d e d fro m th e d i r e c t view o f t h e s u b je c t by a wooden s c r e e n .

The s u b je c t was p ro v id e d w ith a m e ta l s t y l u s

w ith w hich to t r a c e t h e o u t l i n e o f t h e s t a r a s seen i n th e m irro r* Whenever t h e b r a s s was c exit a c te d b y t h e s t y l u s a n e l e c t r i c c i r c u i t was co m p leted w hich c a u s e d a m arker on t h e p o ly g ra p h t o move* The r e c o r d in g o f t h e t a s k p erfo rm an ce as d e s c r ib e d above was done p u r e ly to im p ress upon t h e s u b je c t t h a t a u to m a tic r e c o r d s w ere b e in g ta k e n o f h i s p erfo rm an ce, and t h a t t h e s e would o o n tin u e to b e ta k e n w h eth er o r n o t th e e x p e rim e n te r was i n t h e room.

T hese r e c o rd s

were n e v e r r e a d o r u sed i n an y way, s in c e t h e d a ta o b ta in e d from them. was i n no way p e r t i n e n t t o t h e e x p e rim e n t.

However, g r e a t c a r e was

ta k e n to make t h e s u b je c t th i n k th e y were im p o r ta n t. O b se rv a tio n o f t h e s u b je c ts A ll t h e a c t u a l r e c o rd in g f o r th e p u rp o se o f th e ex p e rim e n t was done b y t h e e x p e rim e n te r b e h in d a one way v i s i o n m irro r* The s u b j e c t s w ere 84 c o l l e g e freshm en and 6 h ig h s c h o o l s e n io r s . The fre sh m e n w ere o b ta in e d fro m t h e Y ale b u re a u o f s tu d e n t a p p o in tm e n t and w ere p a id f o r t h e i r s e r v i c e s .

A ll t h e s u b je c ts w ere d i r e c t e d t o th e

e x p e rim e n ta l room a t t h e in fo r m a tio n d e sk o f t h e I n s t i t u t e o f Human R e la tio n s , and upon a r r i v a l w e re i n s t r u c t e d by a n o te to w a it f o r th e e x p e rim e n te r.

The s u b je c t t h e r e f o r e e n t e r e d th e room and was a lo n e

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

th e r e f c r f i v e m in u tes b e f o r e h a v in g any c o n ta c t A a l l w ith t h e ex­ p e rim e n te r.

A ll t h e a p p a ra tu s d e s c rib e d above was p r e s e n t a t t h e tim e

and a rra n g e d a c c o rd in g t o t h e d iag ram i n F ig u re 1 .

A ll s u b je c ts w ere

o b se rv e d th ro u g h t h e one way m ir r o r f o r th e f iv e m in u te p r e lim in a r y p e r io d .

R ecords were made w i t h r e s p e c t t o th e amount o f a t t e n t i o n

p a id t o t h e c a r d s o r t i n g , m ir r o r d ra w in g , and e x t r i n s i c i n s t i g a t o r s , and t h e g e n e r a l l e v e l o f m o t i l i t y .

The gro u p s w ere m atched a s e v e n ly i

as p o s s i b l e on t h e s e b a s e s . F o llo w in g t h e i n i t i a l o b s e r v a tio n p e r io d t h e e x p erim en ter e n te r e d t h e room, a p o lo g iz e d f o r b e in g l a t e , a n d c a ll e d t h e s u b je c t* s a t t e n t i o n t o th e f i r s t t a s k .

The o r d e r o f th e t a s k s was v a r i e d from

s u b je c t t o s u b je c t so t h a t h a l f d id m ir r o r draw ing f i r s t a n d t h e o t h e r h a lf d id card s o rtin g . The i n s t r u c t i o n s f o r t h e c a rd s o r t i n g , g iv e n w h ile t h e ex­ p e r im e n te r d e m o n stra te d , w ere a s f o llo w s : "Always p u t t h e f i r s t c a r d i n t h e f i r s t c h u te h e r e .

Then p u t

th e f o llo w in g c a r d i n th e c h u te t h a t b e a r s t h e same d e s ig n as t h e f i r s t c a r d , and so o n.

T h at i s , p u t each c a r d in th e c h u te t h a t b e a r s th e

same d e s ig n a s t h e p re c e d in g c a r d .

Work a s r a p i d l y b u t as a c c u r a te ly

a s p o s s ih L e ; b o th sp e e d an d a c c u ra c y c o u n t.

T ry a few and s e e how i t

g o e s ." The s u b je c t was t h e n a llo w e d t o f i n i s h s o r t i n g t h e deck t h a t t h e e x p e rim e n te r had s t a r t e d i n o r d e r t o make su re t h a t he u n d e rs to o d . A f te r t h i s p r a c t i c e t r i a l t h e e x p e rim e n te r s t a r t e d th e p o ly g ra p h and th e s u b j e c t s o r t e d c a r d s f o r a p re d e te rm in e d l e n g th o f tim e .

When t h a t

tim e h a d e la p s e d t h e s u b je c t was t o l d t h a t was enough f o r t h e p r e s e n t and he was s h o rn th e m i r r o r d raw ing a p p a r a tu s .

The i n s t r u c t i o n s f o r

Reproduced with permission o f the copyright owner. Further reproduction prohibited without permission.

" S i t h e re and lo o k o n ly i n t h e m ir r o r . s h ie ld .

D o n 't p eek u n d er th e

Now p ic k up t h e s t y l u s , h o ld i t l i k e a p e n c i l , an d pub th e

p o in t o f i t on t h i s p o in t of t h e s t a r . th is d ire c tio n .

Now t r a c e th e s t a r , g o in g i n

Keep on t h e b la c k p a r t b e cau se ev ery tim e you h i t

t h e s id e i t makes a c o n t a c t and c o u n ts a s a n e r r o r . you c an w ith o u t making any m is ta k e s .

Go a s f a s t a s

T ry i t once f o r p r a c t i c e . "

A f te r th e f i r s t p r a c t i c e t r i a l t h e perform ance was re c o rd e d and t h e s u b je c t w orked an t h e ta s k f o r th e same p e r io d as h e had on th e o t h e r .

At th e end o f t h i s tim e t h e e x p e rim e n te r e x p la in e d t h a t

she h ad to le a v e f o r a b o u t h a lf an h o u r to a t t e n d to a n o th e r ex p erim en t, b u t t h a t i n h e r ab sen ce she w ould l i k e t h e s u b je c t t o c o n tin u e w orking. He was i n s t r u c t e d a s f o llo w s : "W hile I am g>ne I w ould l i k e t o have you do X (X was a number o f t r i a l s s e l e c t e d , a c c o rd in g t o t h e i n d i v i d u a l s p re v io u s perform ance, so a s to consume a b o u t 15 m in u te s ) t r i a l s on th e c a rd s o r t i n g o r X t r i a l s on th e m ir r o r d raw in g .

( I n th e ca se o f s u b je c ts who were given

no c h o ic e t h e a l t e r n a t i v e w as o f c o u rse o m itt e d .) d i f f e r e n c e w hich you d o .

I t d o e s n 't make any

T h is w i l l t a k e you o n ly a b o u t 15 m in u tes

and you w i l l have a h a l f h o u r i n f h ic h to do i t .

T here i s a n o th e r p a n t

to t h e ex p erim en t so p l e a s e w a it u n t i l I come b a c k .

The e x t r a tim e i s

co u n te d i n t h e two h o u rs you s ig n e d up f o r , so you w i l l b e th ro u g h on tim e .

I f y o u do t h e c a r d s o r t i n g u s e a d i f f e r e n t pack f o r e a c h t r i a l ,

so t h a t I c a n ch eck th em .

W ill you p le a s e remember t o p u l l t h i s p lu g

o u t when you have f i n i s h e d so t h a t to o much p a p e r w i l l n o t b e w a s te d . Do you u n d e rsta n d -*> ( e i t h e r ) X t r i a l s on t h e c a rd s o r t i n g ( o r X t r i a l s on t h e m ir r o r d ra w in g ), u s e a d i f f e r e n t pack o f c a r d s each t r i a l , and

Reproduced with permission o f the copyright owner. Further reproduction prohibited without permission.

p u l l o u t th e p lu g when y o u 'r e th ro u g h ." I n e a s e t h e s u b je c t a s k e d how t h e e x p e rim e n te r o o u ld check ig> on th e tim e an d e r r o r s , t h e r e c o r d in g sy stem was e x p la in e d to him . In a d d itio n , p a r t i c u l a r c a r e was tak en d a r in g t h e ex p erim en t t o i n ­ d ic a te t o th e s u b je c t t h a t r e c o r d s w ere b e in g ta k e n In d e p e n d e n tly o f th e e x p e rim e n te r. D uring t h e h a l f h o u r p e rio d t h e s u b je c t was o b serv ed th ro u g h th e one way v i s i o n m ir r o r .

A n o t a t i o n i n sym bols was made d e s c r ib in g

h is b e h a v io r a t th e b e g in n in g o f each f i v e second p e r io d , a s s ig n a l l e d by an a u to m a tic a lly tim e d f l a s h o f l i g h t .

A f te r each l e t t e r symbol

in d i c a t i n g w hat t h e s u b je c t was d o in g , a number, 1 , 2 , o r 3 » was p la c e d to i n d i c a t e th e d eg re e t o w hich he was d o in g i t .

Number 1 in d ic a te d

t h a t t h e s u b je c t was m e re ly re g a rd in g t h e o b je c t to w ard v h ic h h is a t t e n t i o n was d i r e c t e d , 2 meant t h a t he was h a n d lin g i t ,

and 3 meant

th a t he was a c t i v e l y engaged i n m a n ip u la tin g i t a c c o rd in g t o some p l a n . A

sample from a r e c o rd i l l u s t r a t e s t h e r e c o r d in g te c h n iq u e :

CSi CSi + MDi UD2 +S^ Sj_ S 3 S3 H-l •

2

+ + CS^

T r a n s la te d , t h i s w ould r e a d t h a t

th e s u b je c t w alked aro u n d t h e room f o r 1 0 se c o n d s, lo o k e d a t t h e c a r d s o r tin g a p p a ra tu s f o r 1 3 se c o n d s, w alked away and approached t h e m ir r o r draw ing a p p a ra tu s which h e re g a rd e d f o r 3 seco n d s and i d l y h an d led f o r 3 more seco n d s, ap proached t h e s in k w hich he lo o k e d a t f o r 1 0 s e c o n d s,

t e s t e d t h e r e s u l t s o f t u r n i n g on t h e g a s , a i r an d vacuum f a u c e ts f o r 10 seconds more, and f i n a l l y ap p ro ach ed t h e window and s to o d lo o k in g o u t

id ly . 2. S e a rs (1942) h as u s e d a s i m i l a r sy stem f b r r e c o rd in g re s p o n s e s , b u t w ith a d i f f e r e n t m eaning a tta c h e d to th e n u n b e rs. He u s e d Nl n t o i n d i c a t e a u t i s t i c b e h a v io r , n2 N to i n d i c a t e environm ent d i r e c t e d o b s e r ­ v a tio n , and " 3 " t o i n d i c a t e o b je c t m a n ip u la tio n o r o v e r t movement. The p r e s e n t sy ste m was in te n d e d t o i n d i c a t e , from " I " t o n3n, p ro ­ g r e s s iv e d e g re e s o f t h e s u b j e c t 's in v o lv em en t i n w hat he was d o in g .

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

At t h e c o n c lu s io n o f t h e h a l f h o u r p e r io d t h e e x p e rim e n te r r e ­ e n te r e d th e room, exam ined th e r e c o r d s an d r e q u e s te d t h e s u b je c ts t o do a n u qber o f t r i a l s , e x p e c te d t o ta k e 10 m in u te s, on t h e ta s k n o t done in t h e o b s e rv a tio n p e r io d .

A f te r t h a t h e was ask ed t o f i l l o u t a

q u e s tio n n a ir e d e sig n e d t o check on th e k in d and d e g re e o f a f f e c t he had f o r th e t a s k s .

T h is co n clu d ed t h e e x p e rim e n t.

The w hole p e r io d

l a s t e d from an hour a n d a h a l f t o two h o u rs depending on th e group i n which t h e s u b j e c t was p laced * C re a tio n o f a f f e c t Such was t h e g e n e r a l p ro c e d u re fo llo w e d f o r a l l s u b j e c t s . d if f e r e n c e i n a f f e c t was p ro d u ced i n two ways. a t t i t u d e o f t h e e x p e rim e n te r to w ard t h e s u b je c t .

The

The f i r s t was t h e Those i n Group I and

Group 17, i n which t h e p l e a s a n t a f f e c t f o r t h e ta s k s was t o b e c r e a te d , w ere alw ays p r a i s e d f o r t h e i r p e rfo rm an ce.

T h e ir s c o r e s , o r f a l s e

s c o re s i f n e c e s sa x y , w ere t o l d to them a f t e r each t r i a l and com pared f a v o ra b ly w ith th o s e o b ta in e d b y d i e a v e ra g e s u b je c t.

The e x p e rim e n te r

to o k tim e r e c o r d s on a s to p w atch ni n o r d e r to b e a b le to t e l l t h e sub­ j e c t h i s sc a re r i g h t a n a y .n

(T h is r e c o rd a ls o h e lp e d t o gauge th e

p ro p e r number o f t r i a l s f o r t h e O b s e rv a tio n p e r i o d .)

She ap p eared

f r i e n d l y to w ard t h e s u b je c t an d i n t e r e s t e d i n h i s perform ance* I n Group 8 I I and V th e e x p e rim e n te r made no a tte m p t to make th e ta s k e n jo y a b le to t h e s u b je c t.

She a p p e a re d a b s tr a c t e d and u n i n t e r e s t e d

i n him a lth o u g h a b s o rb e d in th e r e c o r d h e was making.

H is s c o re s w ere

t o l d to him o n ly i f h e a sk e d a b o u t them , and no comment on them was made.

He was made to f e e l more l i k e a " g u in e a p ig " a n d a n e x p e rim e n ta l

pawn th a n l i k e an i n d i v i d u a l .

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

Toward tb s s u b je c ts i n Groups I I I a n d VI t h e e x p e rim e n te r showed a d e f i n i t e l y h o s t i l e a t t i t u d e .

A lthough s h e r a r e l y spoke t o

them , vhen s h e d i d i t was i n a n im p a tie n t to n e .

She a p p e a re d in ­

t e r e s t e d i n and d e f i n i t e l y d is p le a s e d w ith t h e r e c o r d s and n e v e r t o l d th e s c o r e s to t h e s u b je c t u n l e s s h e ask ed , vfcich he d id o n ly in f r e q u e n tly I f t h e s u b je c t made an y s l i g h t e r r o r in f o llo w in g i n s t r u c t i o n s h e was c o r r e c te d i n a n ex trem e ly s h o r t manner* The seco n d m ethod o f v a ry in g t h e a f f e c t c o n s is te d i n v a r y in g th e amount o f tim e t h e s u b je c t was r e q u ir e d t o keep a t th e ta s k s *

T h is

was t h e same f o r t h e s u b je c ts i n Groups I , I I , IV , and V, i . e * , 20 m in u te s.

The s u b je c ts i n Groups I I I and V I, i n a d d iti o n t o h a v in g th e

t a s k s made d e f i n i t e l y d is a g r e e a b le f o r them , w ere re q u ire d t o work a t each f o r 40 m inutes* I f an y s u b je c t ask ed th e p u rp o se o f t h e e x p e rim e n t, h e was t o l d , a t t h e end cf th e p r e lim in a r y p e r io d , t h a t i t was d e sig n e d t ° compare th e e f f e c t s o f p a r t i a l l y ( c a r d s o r t i n g ) and c o m p le te ly (m irro r-d ra w in g ) im c o n p a tib le p r e v io u s h a b i t s on t h e a c q u ir in g o f new ones*

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

IV M easurements The r e s u l t s can ue most c o n v e n ie n tly p r e s e n te d b y co n p a rin g t h e s i x gro u p s w ith r e s p e c t to each m easurem ent s e p a r a t e ly .

The r e ­

s u l t s w i l l be s y n th e s iz e d t o g iv e a p i c t u r e o f g o in g o u t o f t h e f i e l d o r e sc a p e b e h a v io r i n d i f f e r e n t k in d s o f c o n f l i c t s it u a t i o n s * I n a d d itio n t o t h e d a ta o b ta in e d i n t h e p r e lim in a r y p e r io d , t h e ob­ s e r v a tio n s y ie ld e d t h e f o llo w in g in fo r m a tio n : B efo re s t a r t i n g a t a s k ( l ) t h e amount o f re s p o n s e t o th e ex­ t r i n s i c i n s t i g a t o r and t h e d i s t r i b u t i o n o f su ch re s p o n s e s i n tim e , ( 2 ) t h e amount o f b lo c k in g an d t h e d i s t r i b u t i o n o f i t , ( 3 ) a s a c o r r o l l a r y o f ( 1 ) and ( 2 ) , t h e amount o f d e la y b e fo re a c h o ic e was made, ( 4 ) th e number o f o s c i l l a t i o n s betw een th e t a s k s and t h e ex­ t r i n s i c i n s t i g a t o r s and t h e d i s t r i b u t i o n o f t h e s e o s c i l l a t i o n s , ( 5 ) t h e g e n e r a l l e v e l o f m o t i l i t y and i t s d i s t r i b u t i o n . A f te r a t a s k w as begun ( 6 ) th e amount o f av o id an ce o f t h e t a s k , ( 7 ) t h e amount o f re sp o n s e t o t h e e x t r i n s i c i n s t i g a t o r , ( 8 ) t h e number o f o s c i l l a t i o n s betw een t h e t a s k s and t h e e x t r in s i c i n s t i g a t o r s , ( 9 ) t h e m o t i l i t y , and ( 1 0 ) t h e number o f tim e s a s u b je c t l e f t th e t a s k b e fo re f i n i s h i n g i t . A f te r a t a s k was f i n i s h e d

(1 2 ) t h e amount o f re s p o n s e t o th e

e x trin s ic in s tig a to r s .

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

R e s u lts P re lim in a r y p e rio d As n o te d i n th e d is c u s s io n o f t h e p ro c e d u re , th e amount o f re sp o n s e t o th e t a s k s an d t h e e x t r i n s i c i n s t i g a t o r s and t h e amount o f m o t i l i t y o f th e s u b je c t d u r in g th e p r e lim in a r y p e r io d were com­ p u te d f o r each s u b je c t and t h e groups w ere m atched on th e s e m easures. Com parisons o f a l l t h e g ro u p s o n th e s e p r e lim in a r y m easures a r e p r e ­ s e n te d i n T a b le s 1 and 2 o f t h e ap p e n d ix .

The d if f e r e n c e s betw een

t h e means th u s o b ta in e d a r e a l l e x tre m e ly s m a ll and i n no c a s e does a d if f e r e n c e ap p ro ach r e l i a b i l i t y . P e r io d b e fo re a t a s k was s t a r t e d (1 )

Amount o f re s p o n s e t o th e e x t r i n s i c i n s t i g a t o r s .

r e s u l t s f o r t h e s i x g ro u p s i n te rm s o f t h e mean number o f f iv e second p e r io d s s p e n t re sp o n d in g to th e e x t r i n s i c i n s t i g a t o r s betw een th e tim e t h e e x p e rim e n te r l e f t th e room and t h e s u b je c t began a t a s k a r e p r e ­ s e n te d i n T ab le 2 and g r a p h ic a lly in F ig u re 2 .

I t w i l l b e n o te d t h a t

th e means a r e , i n o r d e r , fro m Groups I - V I, 0 .0 0 , 8 .0 0 , 63.73# 0 .0 0 , 1 2 .6 0 , and 3 8 .8 0 .

The d i f f e r e n c e s betw een t h e s e means a re

re lia b le

a t t h e f i v e p e r c e n t l e v e l w ith t h e e x c e p tio n of th o s e betw een Groups I and IV a n d Groups I I and V (T ab le 3)*

The f a i l u r e o f t h e f o r a e r p a i r

t o show any d i f f e r e n c e s a c c o rd s w ith th e p r e d i c t io n s made i n C h a p te r I , s in c e presum ably t h e c o n f l i c t i s s o lu b le f o r b o th g ro u p s. Groups I I an d V p r e s e n t a p ro b lem , how ever.

Not o n ly i s th e

d if f e r e n c e betw een them net r e l i a b l e , b u t n h a t d if f e r e n c e t h e r e i s i s i n t h e wrong d i r e c t i o n .

The p r e d ic tio n s made w ere t h a t t h e r e w ould b e

Reproduced with permission o f the copyright owner. Further reproduction prohibited without permission.

The

iVPRRi

Table 2

D u ra tio n o f re sp o n s e s t o e x te r n a l i n s t i g a t o r s b e fo re s u b je c ts began ta s k Number o f 5 second p e r io d s Group II III IV

S u b je c t

I

1 2

13 14 15

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Mean m

0 .,00 0 . 00

3 4 5 6

7 8

9 10 11 12

0 1 0 0 0

60 0 0 0

23 0 0

125 10 10

152 0 12 130

17 72 21 10

181

0

60 16

18

150

23

8 .0 0

4 .4 0

6 3 .7 3 9 .7 3

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .0 0 0 .0 0

V

VI

0 0 0 0

53

0 0 0

72 61

0

0 0

33 53

3

56

0

0 0 0 0 0 0

104 104 64 50 43 75

1 2 .6 0

3 8 .8 0 9 .0 0

6 .7 8

T a b le 3 D if fe r e n c e s betw een g ro u p s w ith r e s p e c t t o d u r a tio n o f re s p o n s e s to o u ts id e i n s t i g a t o r s

Group II -I III-I III-II V -IV VI-IV VI-V VI - I I III-V I

D if fe r e n c e 8 .0 0

63.73 55.73 1 2 .6 0 3 8 .8 0 2 6 .2 0

4 .6 0 2 4 .9 3

D if f 4 .4 0 9 .7 3

t 1 .8 8

P

11.27 8 .0 3

2 .3 2

.967 .999 .999 .961 .999 .9 8 4

.5 8

.7 2 2

1 3 .2 6

1 .8 8

.964

1 0 :6 8 6 .7 8 9 .0 0

6 .5 5 5 .1 7 1 .8 6

4 .3 1

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

5 SECOND PERIODS

60

40

20

1

I

Q GROUP

ZL

RESPONSE TO EXTRINSIC INSTIGATOR F ig u re 2 Bar g ra p h show ing th e a v e ra g e number o f f i v e second p e r io d s each group s p e n t re s p o n d in g t o t h e e x t r i n s i c i n s t i g a t o r b e­ f o r e s t a r t i n g a t a s k . The number f o r Groups I and IV i s 0 .

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

more re s p o n s e to th e e x t r i n s i c i n s t i g a t o r i n t h e d o a b le ap p ro a c h av o id an c e ty p e o f c o n f l i c t th a n i n t h e s i n g l e a p p ro ach -a v o id a n ce. The f o llo w in g d is c u s s io n o n th e s u c c e s s in b u ild in g up t h e a f f e c t i n t h e v a r io u s g ro u p s may e x p la in t h e d is c re p a n c y • S u c ce ss

building up t h e r e q u ir e d a f f e c t .

One h y p o th e s is t o account

f o r th e d is c re p a n c y b etw een th e r e s u l t s and t h e p r e d i c t io n s m entioned above i s t h a t th e l i m i t a t i o n s o f t h e e x p e rim e n ta l te c h n iq u e a r e r e s p o n s ib le .

The ra n g e o f a f f e c t t h a t m ight be ex p ected t o o c c u r h e r e

i s n e c e s s a r i l y narrow , s in c e t h e s i t u a t i o n i s one in which t h e s u b je c t i s not lik e ly * t o become d e e p ly involved*

I n Groups I , I I an d H I i t

was n o t o n ly n e c e s s a ry to c r e a t e t h r e e c l e a r l y d i s t in g u is h a b l e d e g re e s o f a f f e c t f o r th e tw o t a s k s bub i t w as n e c e s s a ry to have th e a f f e c t f o r b o th t a s k s t h e same f o r any one s u b je c t* G e ttin g e q u a l i t y o f a f f e c t i s somewhat d i f f i c u l t a t t h e two extrem es a s d e m o n stra te d b y th e d a ta o b ta in e d from one o f t h e s u b je c ts i n Group I I I *

T h is s u b j e c t f a i l e d t o show an y o f t h e b e h a v io r t h a t

was e x p e c te d o f t h e s u b je c ts i n t h a t group and w hich t h e o th e r s showed. Nor d i d an y o f h is b e h a v io r o r c o n v e r s a tio n p r i o r to t h e o b s e rv a tio n p e rio d i n d i c a t e t h a t t h e a tte m p t t o make b o th t h e ta s k s d is a g r e e a b le t o him had su c c ee d ed .

I t was i n p o s s ib le to d e s tr o y .h is i n t e r e s t i n

th e c a rd s o r t i n g b y an y o f t h e means em ployed i n t h e e x p erim en t, a lth o u g h t h e r e q u i r e d a f f e c t f o r th e m i r r o r draw ing had been e a s i l y b u ilt up.

P resum ably no c o n f l i c t e x is t e d f o r t h i s s u b je c t s in c e h e

was a b le to a v o id a t a s k t h a t h e d i d i ' t l i k e by d o in g one t h a t h e d id . H is re s p o n s e to t h e c a rd s o r t i n g m ight even have been mare prom pt th a n i t would h av e b e e n o th e rw is e b e c a u se i t o b v ia te d t h e n e c e s s i t y o f d o in g m ir r o r d ra w in g .

T his was th e o n ly s u b je c t o f t h a t group w hich

Reproduced with permission o f the copyright owner. Further reproduction prohibited without permission.

d e p a r te d n o tic e a b ly from t h e group norm. On th e w h o le , how ever, t h e a f f e c t f o r t h e extrem e group a was s a tis fa c to ry .

Such comments a s , "T his i s f u n ," " I t ' s easy once you

g e t t h e h an g o f i t , ” "Are t h e r e an y mere e x p e rim e n ts l i k e t h i s one up h e r e ? " , an d t h e l i k e w ere t y p ic a l o f t h e s u b je c ts i n Groups 1 a n d IV .

Those i n Groups I I I an d VI e x p re ss e d th e m se lv e s i n q u ite a

d i f f e r e n t m anner.

T h e ir comments c o n s is te d o f , "How much lo n g e r does

t h i s go o n ? " , " I n e v e r was

any good a t t h i s s o r t o f s t u f f " , "This

g e ts w orse and w o rse " , an d so o n . The s u c c e s s o f t h e

a tte m p ts to b u i l d a f f e c t f o r t h e ta s k s i s

f u r t h e r d e m o n stra te d by th e b e h a v io r o f t h e s u b je c t* a f t e r t h e t a s k re q u ire m e n t w as c o m p le te d .

On t h e o r e t i c a l gro u n d s th e i n s t i g a t i o n

to perform t h e t a s k s t h a t r e s u l t e d from t h e e x p e c ta tio n o f p ay sh o u ld dro p o u t when t h e i n s t r u c t i o n s w ere f u l f i l l e d , s in c e w ork in g lo n g e r would n o t, p resu m ab ly , in c r e a s e t h e p a y .

W hatever i n s t i g a t i o n was

p ro v id e d by t h e t a s k i t s e l f w ould not necessarily d is a p p e a r a t t h a t tim e , how ever.

T h is i n t r i n s i c i n s t i g a t i o n t o approach t h e ta s k s was

e x p e c te d to b e p r e s e n t o n ly i n Groups I and IV .

They sh o u ld , t h e r e ­

f o r e , b e t h e o n ly o n e s t o w ork o v ertim e on th e t a s k s .

The d a ta on t h i s

p o i n t r e v e a l t h e f o llo w in g group m eans, i n o r d e r from I t o V I, i n term s o f t h e number o f f i v e seco nd p e r io d s t h e s u b je c ts worked on th e t a s k a f t e r t h e re q u ire m e n t had b e e n s a t i s f i e d : 2 .6 7 , 0 .0 0 .

7*06, .9 3 , 0 .0 0 , 3 7 .AO,

T hese d i f f e r e n c e s a re a l l r e l i a b l e e x c e p t t h a t betw een

Groups I I a n d V.

Groups I and IV , a s e x p e c te d , c o n tin u e d a t t h e t a s k

lo n g e r th a n t h e i n s t r u c t i o n s r e q u i r e d , v h i l e t h e s u b je c ts i n Groups I I I and VI s to p p e d a s soon a s th e y c o u ld .

T h is , t h e n , may b e ta k e n a s

a d d i t i o n a l p r o o f o f th e d e g re e and so u rc e o f t h e i n s t i g a t i o n t o ap p ro ach t h e t a s k s i n t h e s e g ro u p s.

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

However, th e s u b je c ts i n Groups I I and V d id more th a n was re q iire d , to o . d ic a te d ,

A more c a r e f u l ex a m in a tio n o f th e s e groups i s i n ­

A good d e a l o f m r i a b i l i t y m ust have been p r e s e n t w ith in

th e s e g ro u p s, w ith p a r t o f t h e s u b je c ts p e rfo rm in g a c c o r d in g t o th e mean o f one o f t h e extrem e groups and t h e o th e r h a l f p erfo rm in g a c c o rd in g to t h a t o f t h e o t h e r ex trem e g ro u p .

R e fe re n c e to T a b le 2

w here t h e d a t a l b r t h e in d iv id u a l s u b je c ts a r e p r e s e n te d w i l l show th a t th is is tru e .

I n b o th I I an d V t h e s ta n d a rd e r r o r o f t h e mean

i s n o u g ily h a l f t h e mean w h ile f o r Group I I I i t i s o n ly one sev e n th and i n Group VI i t i s l e s s t h a n one f o u r t h .

Such la r g e v a r i a b i l i t y



w ith in two g ro u p s t h a t a re n o t e x p ected t o be very d i f f e r e n t , even i d e a l l y , would p re c lu d e a r e l i a b l e d i f f e r e n c e betw een th e two means. However, t h e r e i s one more p o in t t o b e c o n s id e re d .

A lthough

th e d i f f e r e n c e betw een th e tw o g ro u p s i s n o t r e l i a b l e w ith e i t h e r t h i s o r any o f t h e o t h e r m easu res, e x a m in a tio n o f t h e com parisons betw een t h e s e two g ro u p s on a l l t h e p o i n t s m easured i n t h e co m p arativ e t a b l e on p a g e 34

w i l l show t h a t th e d i f f e r e n c e t h a t i s o b ta in e d i s con­

s i s t e n t l y i n t h e d i r e c t i o n n o t e x p e c te d b y t h e h y p o th e s is .

T hat i s ,

th e s u b je c ts i n Group I I , who a r e i n a d o u b le ap p ro a c h -a v o id a n c e c o n f l i c t s i t u a t i o n an d s h o u ld th e r e f o r e e x h ib it more re sp o n se t o t h e e x t r i n s i c i n s t i g a t o r a n d a l l o th e r m a n if e s ta tio n s o f b e h a v io r d is r u p ­ t i o n m en tio n ed th a n do th o se o f Group V who a r e i n a s in g l e sp p ro a c h av o ld an ce s i t u a t i o n , a c t u a l l y show l e s s o f t h e p r e d ic te d b e h a v io r .

But

s in c e i t has b een shown t h a t t h e a f f e c t was n ot alw ay s w hat was d e s ir e d i n th e s e m id d le g ro u p s, i t i s r e a s o n a b le to su p p o se t h a t , a s i n t h e c a s e o f t h e s u b je c t m en tio n ed in Group I I I , t h e a f f e c t m ight b e uneven f o r s u b je c ts i n Group I I .

That i s , a s u b je c t m ight l i k e one of t h e

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

ta s k s and n o t t h e o t h e r so t h a t t h e p o s s i b i l i t y o f g e t t i n g o u t o f a more d is a g r e e a b le ta s k by p erfo rm in g a l e s s d is a g r e e a b le one would make t h e s e le c t io n o f t h e l a t t e r e a s i e r th a n i t would h av e been w ith o u t such an i n c e n tiv e f o r c o n p le tin g i t .

T h e re fo re , t h e r e ­

sp o n se t o t h e p r e f e r r e d t a s k i n Group I I sh o u ld have o c c u rre d more r e a d i l y th a n t h e re sp o n s e t o t h e s in g le t a s k i n Group V, which by chance sh o u ld have b een t h e n o n - p r e f e r r e d ta s k a b o u t 50% o f t h e tim e . T hese c o n s id e r a tio n s s u g g e s t t h a t t h e d a ta fro m G roups I I and V do nob n e c e s s a r i l y c o n t r a d i c t t h e e x p e c ta tio n t h a t th e re sp o n s e t o th e e x t r in s i c i n s t i g a t o r o c c u r re d a s a f u n c tio n o f t h e d eg ree o f d i f f i c u l t y o f r e s o lu tio n of th e c o n f lic t. (2 )

The amount o f b lo c k in g .

The p r e d i c t io n s s t a t e d t h a t i n c a s e

th e c o n f l i c t was a t a l l s e v e r e t h e s u b je c ts would b lo c k , o r "do n o th in g " , a c e r t a i n amount o f t h e tim e b e fo re a ta s k was s e le c te d , and f u r t h e r t h a t t h i s do n o th in g b e h a v io r would o c c u r j u s t b e f o r e t h e s u b je c t s t a r t e d to wo ric on a t a s k and a f t e r h e had become u n a b le to resp o n d to any o f t h e e x t r i n s i c i n s t i g a t o r s .

B eh a v io r t a b u l a t e d a s b lo c k in g

in c lu d e d su ch t h i n g s as w a lk in g a b o u t t h e room w ith o u t a p p a re n t aim , s i t t i n g and drumming t h e f i n g e r s o n th e t a b l e , lo o k in g o u t o f t h e window a t n o th in g i n p a r t i c u l a r , e t c .

None of t h i s b e h a v io r c o u ld be

d e s c rib e d a s re s p o n s e s to e x t e r n a l s t i m u l a t i o n from o b je c t s i n t e n t i o n a l l y p ro v id e d a s e x t r i n s i c i n s t i g a t o r s .

The mean amount o f t h i s b e h a v io r f o r

th e s i x g ro u p s i n te rm s o f t h e number o f f i v e second p e r io d s s p e n t r e O sp o n d in g t o t h e s i t u a t i o n i n t h i s m anner i s p r e s e n te d i n T a b le 4 t o ­ g e th e r w ith t h e s ta n d a rd e r r o r o f t h e m eans. The means a r e , r e s p e c t i v e l y , 3 . The i n d iv id u a l d a t a f a r a l l m easu res a r e p r e s e n te d i n t a b l e s

com parable to t a b l e s 2 and 3 i n th e ap p e n d ix . t e x t m erely sum m arise.

The t a b l e s i n th e

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

? a b le 4 Com parison o f t h e group means w ith r e s p e c t t o th e m easures ta k e n b e fo re a ta s k was s t a r t e d \

Group M easure Response to e x trin s ic in s tig a to r

M

SD

M

SD

U

V

IV

III

II

I

SD

M

SD

M

VI SD

It

9 .7 3 0 .0 0 0 . 0 0 1 2 .6 0 6 .7 8 3 8 .8 0

SD 9 .0 0

0 .0 0 0 .0 0

8 . 0 0 4 .4 0

6 3 .7 3

Amount o f b lo c k in g

0 .0 0 0 .0 0

5 .1 3 2 .2 5

58179 15 .1 5

.1 3

.4 2

Amount o f d e la y

0 .0 0 0 .0 0 1 3 .2 0 7 .2 8 121.05 20.89

.1 3

.1 7 2 2 .4 0 9 .8 3 71.59 1 9 .0 2

Nunber cf o s c illa tio n s 0 .0 0 0 .0 0 betw een t a s k and i n s t i g a t o r M o tility

0 .0 0 0 .0 0

.2 8

3 .2 7

.6 8 0 . 0 0 0 .0 0

2 .2 7 ! . ! 7

1 3 .3 3

3 .1 8 0 . 0 0 0 . 0 0

.5 3

5 .4 0 4 .7 5 3 2 .2 6 1 2 .8 5

.4 6

1 .3 3

0 .0 4

3 .3 3 1 .6 7 1 1 .2 6

3 .3 6

.6 7

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

T ab le 5 R e l i a b i l i t i e s o f th e d if f e r e n c e s betw een th e means w ith r e s p e c t t o th e s e v e r a l m easures u se d

M easure Group

B lo c k in g

Delay

.967

.9 8 4

.957

.946

.9 6 8

R esponse t o E x tr in s ic

O s c i ll a t i o n

M o tility

I

-II

I

-III

> .9 9 9

.>.999

> .9 9 9

> .9 9 9

> .999

II -III

> .9 9 9

.999

> .9 9 9

.999

.998

.9 6 1

.9 1 2

.989

.940

.970

IV -VI

> .9 9 9

.989

.999

.995

.999

V -V I

.9 6 4

.9 7 0

.9 8 4

.8 5 8

.981

.6 1 6

.758

--------------

IV -V

I

^V





I I -V

.7 2 2

.5 0 0

.758

.6 1 6

.689

III-V I

.9 6 4

.9 1 2

.948

.9 8 8

.9 8 2

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

T able 6 The r e l i a b i l i t y o f th e o b ta in e d d i s t r i b u t i o n o f t h e v a rio u s re s p o n s e s m easured -------------------------- 1--------

Response Response t o e x t r i n s i c in s tig a to r Group

% in

X2

P

1 s t h a lf

M o tility

O s c illa tio n

%in

X2

P

2 nd h a l f

II

98

3 4 .5 8 < .0 0 1

III

71

1 5 7 .2 8

< .0 0 1

7 5 .5

U

63

2 5 .2 6

< .0 0 1

7 0 .0

VI

77

1 3 9.46

< .0 0 1

68

8 7 .5

6 .0 0

.1 0

3 0 .2 6 < .0 1

2

% in

X

P

2 nd

f

71

6 .3 6

.1 0

58 . 57 . 36

< .0 1

7 .0 0

.0 7

76

1 6 .2 9

< .01

1 3 .0 0

.0 3

70

29.50

< .0 1

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission

0 .0 0 , 5 .1 3 , 5 8 .7 9 ,

.1 3 , 5 .4 0 , mad 3 2 .2 6 .

The r e l i a b i l i t i e s o f t h e d if f e r e n c e s betw een t h e means p re s e n te d in T a b le 5 a r e a l l s a t i s f a c t o r y e x c e p t f o r th o s e betw een Groups I and IV a n d Groups I I and V.

The f i r s t p a i r was n o t ex p ected t o show a

d if f e r e n c e and t h e second p a i r h as b een d is c u s s e d b e f o r e .

The p re ­

d i c t i o n t h a t b lo c k in g w ould b e g r e a t e s t where th e c o n f l i c t i s p re ­ sumably m ost d i f f i c u l t t o r e s o lv e i s b o rn o u t. The f u r t h e r p r e d i c t i o n was made t h a t t h i s b e h a v io r would o ccu r when t h e s u b je c t h ad begun t o e x p e rie n c e a n x ie ty about n o t g e t t i n g th e ta s k s done, so t h a t he was u n a h le t o make f u r t h e r re s p o n s e s to th e o t h e r o b je c ts , b u t was s t i l l u n ab le t o make a c h o ic e .

T h is was r

t e s t e d by d i v i d i n g t h e p e r io d b e fo re a ta s k was s t a r t e d i n h a l f f a r each s u b je c t a n d d e te rm in in g th e amount o f tim e s p e n t re sp o n d in g t o t h e e x t r i n s i c i n s t i g a t o r s an d t h e amount o f tim e s p e n t b lo c k e d in each h a l f f o r each s u b je c t.

The o b ta in e d d i s t r i b u t i o n o f re s p o n s e

t o t h e e x t r i n s i c i n s t i g a t o r s and b lo c k in g b e h a v io r f o r each s u b je c t was compared w ith t h a t w hich would b e e x p e c te d by c h a n ce, assum ing a f i f t y - f i f t y d i s t r i b u t i o n a s c h a n c e , by t h e Chi sq u a re m ethod.

The C hi

sq u a re s f o r t h e in d iv id u a l s u b je c ts i n each group w ere added and t h e p r o b a b i l i t y t h a t t h e t o t a l d if f e r e n c e was a r e a l one was found from a C h i sq u a re t a b l e .

The p r o b a b i l i t i e s a r e a l l l e s s th a n .0 0 1 t h a t t h e

d i s t r i b u t i o n , w hich conform ed t o e x p e c ta tio n s , was o b ta in e d b y c h a n c e . T hese d a t a a r e p r e s e n te d i n T a b le 6 .

The assu m p tio n t h a t t h e g r e a t e s t

amount o f b lo c k in g w ould o c c u r j u s t b e fo re a c h o ic e was made i s v e rifie d *

(q ) The amount o f d e la y b e fo re a choice was made.

I f th e amount

o f resp o n se to th e e x tr in s ic i n s t i g a t o r and th e amount o f b lo c k in g i n -

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

3*

c r e a s e d w ith in c r e a s e i n d i f f i c u l t y o f r e s o l u t i o n o f t h e c o n f l i c t th e n t h e t o t a l amount o f c h o ic e tim e s h o u ld h a re i n c r e a s e d a s w e l l . The mean number o f f i v e seco n d p e r io d s t h a t t h e s u b je c ts d ela y e d a r e p r e s e n t e d i n T a b le 4*

I t w i l l be n o te d t h a t th e s e m eans, i n

o r d e r , a r e : 0 .0 0 , 1 3 .2 0 , 1 2 1 .0 5 , 0 .1 3 , 2 2 .4 0 , an d 71*59*

The

d if f e r e n c e s a r e a l l r e l i a b l e a t t h e f i v e p e r c e n t l e v e l w ith t h e u s u a l e x c e p tio n s o f G roups I and IV and I I and V (T ab le 5)*

In

a d d i t i o n , f i v e o f t h e s u b j e c t s i n Group I I I an d two i n Group VI d e la y e d lo n g e r th a n 180 p e r i o d s , (1 5 m in u te s, t h e e s ta im te d tim e l i m i t ) an d t h r e e s u b je c ts i n Group I I I d e la y e d e x a c t ly 180 p e r i o d s . (A la r g e c lo c k was p la c e d i n th e zoom t o a i d t h e s u b je c ts i n t h e i r tim e e s t i m a t e s .)

The r e s u l t s o f t h i s d e la y w i l l be d is c u s s e d l a t e r .

T hese f i g u r e s show t h a t t h e p r e d i c t i o n ab o u t t h e in c r e a s e o f d e la y w ith i n c r e a s e o f re s p o n s e to e x t r i n s i c i n s t i g a t o r s and b lo c k in g was v e rifie d . (4 )

The am ount a n d tim e o f o c c u rre n c e o f o s c i l l a t i o n betw een

t h e c o n f l i c t s i t u a t i o n an d t h e e x b z ln s ic i n s t i g a t o r s .

The p r e d i c t i o n

was made t h a t when t h e a n x i e t y a b o u t n o t h a v in g s t a r t e d a t a s k h a d , p re su m a b ly , c r e a t e d a v o id a n c e t o t h e e x t r i n s i c i n s t i g a t o r s an d i n ­ c r e a s e d t h e i n s t i g a t i o n t o ap p ro a c h t h e t a s k s , a p o in t would be re a c h e d w here th e ap p ro ach and a v o id a n c e i n s t i g a t i o n t o t h e ta s k s and to th e e x t r i n s i c i n s t i g a t o r s w ould b e e q u al an d a c e r t a i n amount o f o s c i l l a ­ t i o n w ould o c c u r .

A lso , i t was p r e d ic t e d t h a t th e number o f t h e s e

o s c i l l a t i o n s w ould in c r e a s e w i t h th e nuntoer and s tr e n g th , o f t h e av o id ­ an ce i n s t i g a t o r s , s in c e such i n c r e a s e s would te n d to p r e v e n t i n ­ c r e a s i n g l y t h e c o m p le tio n o f ap p ro ach re s p o n s e s to th e ta s k s *

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission

39

D a ta o n t h e f i r s t p o i n t r e g a r d in g th e d i s t r i b u t i o n o f th e o s c i l l a t i o n s , o r t e n t a t i v e a p p ro a c h e s t o th e ta s k s and to th e ex­ t r i n s i c i n s t i g a t o r s , w ere o b ta in e d by c o u n tin g th e number o f su c h o s c i l l a t i o n s i n t h e f i r s t and t h e second h a lv e s o f t h e d e la y p e r io d f o r e a c h s u b je c t, an d com paring t h e d a ta o b ta in e d w ith t h a t v h ic h would be e x p e c te d b y c h a n c e .

An o s c i l l a t i o n was c o u n te d i f t h e

s u b je c t ap p ro ach ed on e o f t h e t a s k s and re g a rd e d t h e a p p a ra tu s o r h a n d le d i t w ith o u t e i t h e r c o m p le tin g h a l f a t r i a l o r w orking on i t f o r more t h a n 30 se c o n d s, an d t h e n a p p ro a c h e d one o f t h e o th e r ob­ j e c t s and re g a rd e d o r h a n d le d i t w ith o u t p l a n .

F or exam ple, i f th e

s u b je c t had b e e n w orking on t h e j i g saw p u z z le , s to p p e d , approached th e m ir r o r draw ing an d h a n d le d t h e s ty l u s f o r 1 0 se co n d s, dropped i t , ap p ro ach ed t h e F lip p and f l i p p e d t h e h an d le o n ce o r tw ic e , w ent over t o t h e c a r d s o r t i n g and p ic k e d up a deck o f c a rd s f o r 5 se c o n d s, r e ­ tu r n e d t o t h e p u z z le f o r 1 0 se c o n d s, and f i n a l l y ap p roached t h e m ir r o r draw ing an d s t a r t e d t o work on i t , two o s c i l l a t i o n s w ould b e c o u n te d .

The m easurem ent o f o s c i l l a t i o n in v o lv e d sim p ly a c o u n tin g

of t h e number o f a l t e r n a t i o n s o f th e s e ttl M and " 2 " re s p o n s e s . When t h e C h i s q u a re s o f in d iv id u a l s u b je c ts were com bined by g ro u p s, t h e p r o b a b i l i t i e s t h a t th e d i f f e r e n c e s w hich were In th e ex­ p e c te d d i r e c t i o n s were due t o ch an ce w e re found t o b e .1 0 f o r Group I I , < .0 1 f o r G rorp I l l ,

.0 7 f o r Group V, an d .0 3 f o r Group V I.

The d is ­

t r i b u t i o n , t h e C hi s q u a re s and t h e r e l i a b i l i t i e s a r e p r e s e n te d i n T a b le 6 .

The r e l i a b i l i t i e s f o r Groups I I I and VI a r e s a t i s f a c t o r y .

Those f o r Groups I I and V a r e l e s s s o th a n i s d e s ir a b l e .

B u t, a s

p r e v io u s ly s t a t e d , w ith e q u a l i t y o f a p p ro a c h and av o id an ce i n s t i g a ­ t i o n t o t h e t a s k r e s p o n s e s , t h e d i s t r i b u t i o n i s e x p e c te d t o b e l e s s

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

clearL y d iv id e d .

These com parisons te n d t o confirm th e e x p e c ta tio n

of a c e r t a i n amount o f o s c i l l a t i o n betw een th e ta sk and th e e x tr in ­ s ic i n s t i g a t o r s j u s t before a ta s k i s chosen* According t o th e p r e d ic tio n s t h e o s c i l l a t i o n d e sc rib e d should occur b efo re th e b lo c k in g d isc u sse d in th e prev io u s s e c tio n .

The very

s h o rt tim e i n t e r v a l ifcich t h e e n ti r e t r a n s i t i o n to o k made confirm a­ t i o n o f t h i s p re d ic tio n im p o s sib le . a t about t h e same tim e .

Both ty p es o f resp o n se occurred

Also d is tin g u is h in g between th e p e rio d of

o s c i l l a t i o n between t h e ta s k s and t h e e x tr in s ic i n s t ig a t o r s and between t h e two ta s k s was n o t p o s s ib le in most c a s e s .

T herefore no

d a ta can b e p resen te d on th e s e p o in ts . D ata i l l u s t r a t i n g t h e second p o in t w ith r e g a r d t o o s c i l l a t i o n , nam ely t h a t i t sh o u ld be more f r e q u e n t when th e c o n f l i c t i s m ost d i f f i c u l t t o r e s o lv e , j u s t a s i s com plete b lo c k in g , a r e p re s e n te d in T ab le 4 a n d 5 .

The t o t a l number o f such o s c i l l a t i o n s i s n o t v e ry

la r g e b u t t h e d i f f e r e n c e s a r e i r i t h e e x p e c te d d i r e c t i o n , t h a t i s , th e y in c r e a s e a s t h e i n s o l u b i l i t y o f t h e c o n f l i c t was shown t o in ­ cre a se .

The means a r e 0 .0 0 , .5 3 , 3 .2 7 , 0 .0 0 , .6 7 , and 1*33.

The

d i f f e r e n c e s betw een th e means, e x c e p t t h a t betw een Groups I I and V, a re s a tis f a c to r ily r e lia b le .

The sm a ll number o f such re sp o n s e s ob­

ta i n e d i s u n d o u b ted ly due to t h e f a c t t h a t a good d e a l o f such sw inging from on e re sp o n se t o a n o th e r w ould ta k e p la c e i m p l i c i t l y i n s o p h is tic a te d s u b je c ts *

The a c t u a l g ro ss movements w ould b e e x p ected more f r e q u e n tly

i n a n im a ls and s m a ll c h i l d r e n . d a ta .

T h is view i s s u p p o rte d b y c o n p a r a tiv e

A nim als in su ch s i t u a t i o n s do a c t u a l l y move back an d f o r t h

( c f . M i l l e r , 1942, Brown, 1942, and K le b a n o ff,1 9 3 9 ). C h ild re n make head an d eye movements more f r e q u e n t l y th a n b o d i l y ones ( B a r k e r ,1942,

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

G odbeer,1940) and a d u lts i n some s i t u a t i o n s m erely bLock ( s e e Hovland and S e a rs, 1938)* (5)

M o tility a n d th e t-ima of i t s o c c u rre n c e .

I n th e

t h e o r e t i c a l d is c u s s io n i n C h a p te r I i t was deduced t h a t m o t i l i t y would in c r e a s e as th e r e s o lu tio n o f t h e c o n f l i c t became more d i f f i ­ c u l t , f o r th e re a so n t h a t a s a n x ie ty o v e r re sp o n d in g to one o f t h e e x t r i n s i c i n s t i g a t o r s b u i l t u p , t h e s u b je c t would le a v e t h a t , and i f th e i n h i b i t i o n o f t h e re sp o n s e t o th e c o n f l i c t s i t u a t i o n was s t i l l to o g r e a t, w ould be e x p e c te d , i n many c a s e s , t o go b y chance t o a n o th e r e x t r i n s i c o b j e c t . T a b le s 4 and 5 .

The d a ta on t h i s p o in t a r e p r e s e n te d i n

They w ere o b ta in e d by sim p ly c o u n tin g th e number o f

tim e s each s u b je c t sto p p e d d o in g one th in g and s t a r t e d t o do some­ th in g e l s e . and 11*26.

The means a r e , i n o r d e r , 0*00, 2 .2 7 , 13*33» 0 .0 0 , 3»33> The e x p e c ta tio n s o f i n c r e a s e w ith in c r e a s e i n s e v e r i t y

o f t h e c o n f l i c t a r e c o n firm ed , t h e o rd e r o f in c r e a s e s b e in g th e same as t h a t found i n t h e p re v io u s m easu res.

The r e l i a b i l i t i e s of

th e d if f e r e n c e s betw een th e means a r e p re s e n te d i n T a b le 5*

The

d i f f e r e n c e betw een Group I I I and Group VI i s n o t v e r y r e l i a b l e b u t what d i f f e r e n c e t h e r e i s i s i n t h e r i g h t d i r e c t i o n . I t was f u r t h e r deduced t h a t t h e g r e a t e s t m o t i l i t y would o ccu r to w ard th e end o f t h e d e la y p e rio d ih e n t h e a n x ie ty was b e g in n in g t o become e f f e c t i v e .

The d i s t r i b u t i o n was o b ta in e d as i n t h e c a s e o f th e

number o f o s c i l l a t i o n s above.

The amount o f m o t i l i t y was ta b u la te d

s e p a r a t e l y f o r t h e f i r s t and seco n d h a lv e s o f th e d e la y .p e rio d and th e d a t a o b ta in e d w ere com pared w ith chance e x p e c ta tio n s by t h e Chi s q u a re m ethod.

The Chi s q u a re s and t h e i r p r o b a b i l i t i e s a r e p r e s e n te d

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

i n T ab le 6 .

The d i s b r i b u t i o n w i l l b e s e e n t o b e s u f f i c i e n t l y

r e l i a b l e to w a rra n t a c o n c lu s io n f a v o r a b le to t h e h y p o th e s is . C h i s q u a re s f o r t h e groups a r e :

The

I I - .0 1 , I I I - 2 ,0 1 , IV - 2 .0 1 ,

an d VI - 2 .0 1 . A f te r a t a s k was begun So f a r t h e d is c u s s io n h a s b e e n con cern ed w ith t h e b e h a v io r b e f o re a t a s k was chosen and w ork s t a r t e d on i t .

Now t h e b e h a v io r

t h a t m ig h t b e e x p e c te d o n ce a ta s k was ch o sen and p a r t i a l l y com­ p l e t e d may be c o n s id e re d .

P o s i t i n g t h e g r a d ie n t o f ap p ro ach , th e

s u b je c ts i n Groups I and IV w ould be e x p e c te d t o c o n tin u e w orking a t t h e t a s k u n t i l c o m p le tin g i t .

D if f e r e n t b e h a v io r m ight w e ll b e

e x p e c te d fro m t h e s u b j e c t s who have shown p r e v io u s ly a c e r t a i n amount o f av o id a n c e o f t h e t a s k s and s t a r t e d work on one o n ly when t h e tim e l i m i t became d o s e .

Once th o s e s u b j e c ts who s t a r t e d w ith tim e

t o s p a r e have co m p leted a c e r t a i n amount o f t h e re q u ire m e n t, th e a n x ie ty sh o u ld d e c r e a s e .

S in c e t h e a p p ro a c h in g tim e l i m i t was t h e

c a u se o f t h e a d d i t i o n a l p r e s s u r e t h a t f o r c e d t h e s u b je c t t o choose a t a s k , t h e s u b je c t may b e s a i d t o have b e e n made s u f f i c i e n t l y a n x io u s to 'c h o o s e a f t e r a c e r t a i n tim e had e la p s e d .

I f a c h o ic e o c c u rre d

a f t e r f i v e m in u te s h a d e la p s e d , i t c o u ld b e s a id t h a t t h e s u b je c t was s u f f i c i e n t l y a n x io u s to ig n o r e h i s d i s t a s t e f o r t h e t a s k when he had two t h i r d s a g a in a s much tim e a s he n e ed ed .

A f te r he had w orked f o r

f i v e m in u te s he would have te n m in u te s m ore work t o do and tw e n ty m in u te s , o r tw ic e a s much tim e a s h e n e e d e d , i n w hich t o do i t . f o r e , h i s a n x ie ty s h o u ld d e c r e a s e .

T h ere­

I t i s p o s s ib le th a t a c tu a l p e r ­

form ance o f t h e t a s k h as made i t more d i s t a s t e f u l th a n e v e r , w hich w i l l

Reproduced with permission o f the copyright owner. Further reproduction prohibited without permission

in c r e a s e t h e avo id an ce i n s t i g a t i o n t o i t , b u t t h a t assum ption i s n o t n e c e s s a ry t o t h i s d e d u c tio n .

I f i t i s assum ed t h a t i n t h e c a s e ,

o f such a s u b je c t t h e a n x ie ty was s tr o n g e r th a n t h e d i s t a s t e f o r th e t a s k o n ly whan t h e r a t i o o f tim e r e q u ir e d t o tim e a v a i l a b l e was 1 : 1*67 o r l e s s , th e n when t h e r a t i o became 1 :2 t h e a n x ie ty sh o u ld

drop enough to p erm it th e s u b je c t t o r e t u r n t o t h e e x t r in s i c re sp o n se s.

I n o t h e r w a rd s, th e summ ation o f t h e g r a d ie n t o f a v o id ­

an ce o f t h e t a s k s w ith t h a t o f approach t o t h e e x t r i n s i c i n s t i g a t o r s a g a in r e s u l t s i n e f f e c t i v e i n s t i g a t i o n t o make t h e e x t r in s i c r e ­ sp o n ses.

The s u b je c ts s h o u ld c o n tin u e t o re sp o n d t o th e o th e r in ­

s t i g a t o r s u n t i l t h e r a t i o o f tim e r e q u ir e d t o tim e a v a il a b le i s a g a in 1 :1 .6 7 , a t w hich tim e he s h o u ld r e t u r n t o th e c o n f l i c t .

T his

c o u ld b e r e p e a te d as lo n g as t h e r e was more th a n s u f f i c i e n t tim e to p erfo rm t h e t a s k s . Now assum ing f o r th e moment t h a t a v a ila b l e tim e i s e q u al f o r a l l s u b j e c t s , i t s h o u ld be e x p e c te d t h a t th e amount o f i n h i b i t i o n d ev elo p ed t o t h e c o n f l i c t i n g t a s k r e s p o n s e s , as m easured b y o r i g i n a l d e la y , d io u ld rem ain a f a c t o r i n w ith d ra w a l from t h e ta s k re sp o n se to t h e e x t r i n s i c i n s t i g a t o r s , o s c i l l a t i o n , and m o t i l i t y , once t h a t t a s k h a s been s t a r t e d .

T h a t i s , th o s e most i n h i b i t e d by th e c o n f l i c t

s i t u a t i o n d io u ld m ost f r e q u e n t l y ev id en ce t h e a b o v e ty p e s o f b e h a v io r a f t e r a s w e ll a s b e f o r e s t a r t i n g a t a s k .

I t w i l l b e r e c a l l e d from

T ab le 4 t h a t d e la y b e f o re s t a r t i n g was g r e a t e s t in Group I I I , n e x t i n Group V I, n e x t i n Groups V and I I , an d n o n - e x is ta n t in Groups I and IV .

I n T a b le 7 i t w i l l b e s e e n t h a t a v o id a n c e o f th e t a s k s ( 5 ) ,

re s p o n s e to t h e e x t r i n s i c i n s t i g a t o r s ( 6 ) , o s c i l l a t i o n ( 7 ) , and m o t i l i t y ( 8 ) r e s p e c t i v e l y , a lth o u g h a b s e n t i n Groups I an d IV , a r e

Reproduced with permission o f the copyright owner. Further reproduction prohibited without permission.

g r e a t e s t i n Group \ I , n e x t i n Group I I I , and l e s s i n Groups V a n d I I . I n o t h e r w o rd s, i n s t e a d o f t h e c r d e r b e in g I I I , V I, V, I I , i t i s V I, I I I , V, I I , e x c e p t in t h e case o f o s c i l l a t i o n w here i t i s V I, I I I , I I , and V.

None c f th e d if f e r e n c e s b etw een Groups I I and V, I I and

I I I , o r I I I and V i s r e l i a b l e (s e e T a b le 8 ) . These d if f e r e n c e s a r e , n e v e r th e le s s , q u i t e i n l i n e w ith p r e ­ d i c t i o n when i t i s r e a l i z e d t h a t th e tim e a v a ila b le a f t e r s t a r t i n g t h e t a s k s was n o t t h e same f o r a l l s u b je c ts , a s was assumed f a r t h e p u rp o se s o f t h e d is c u s s io n .

Where t h e i n s o l u b i l i t y o f t h e c o n f l i c t

was v e ry g r e a t i t was t o be e x p e c te d t h a t some o f t h e s u b je c ts would d e la y s t a r t i n g u n t i l no more th a n en o u ^i tim e rem ained f o r c o m p le tin g th e ta s k .

I n t h e i r c a s e s t h e a n x ie ty c a u se d b y t h e tim e l i m i t c o u ld

n e v e r s u b s e q u e n tly d im in is h , b ec au se t h e r a t i o o f tim e a v a i l a b l e to tim e r e q u ir e d w ould re m a in e i t h e r 1 o r l e s s t h a n 1 . I t w i l l b e remembered t h a t th e r e were f i v e s u b je c ts i n Group I I I who d e la y e d lo n g e r th a n 180 p e r io d s an d t h r e e who d e la y e d j u s t 1 8 0 . T here were two who d ela y e d more th a n 180 p e r io d s i n Group V I.

The

o p p o r tu n ity to sto p w ork was th u s much g r e a te r i n Group VI th a n i n Group I I I an d t h e i n h i b i t i o n of t h e re sp o n se t o th e c o n f l i c t s i t u a t i o n was alm o st a s g r e a t .

T h e re fo re th e g r e a t e s t amount o f av o id an ce o f

th e t a s k s a f t e r one h as b een s t a r t e d and th e b e h a v io r t h a t h a s p r e ­ v io u s ly b ee n c o r r e l a t e d w ith a v o id a n c e , i s to be e x p ected in Group V I. I n G r o u p .I I I p a r t o f t h e s u b je c ts had tim e t o d e la y and p a r t h ad n o t. Those who d id have tim e sh o u ld have done so i f th e assu m p tio n s a b o u t t h e im p o rtan ce o f t h e tim e f a c t o r a r e c o r r e c t .

E xam ination o f t h e

d a ta r e v e a le d t h a t i n evexy c a s e (e x c e p t f o r one s u b je c t d is c u s s e d e a r l i e r ) f a i l u r e t o show av o id an ce i s c o r r e l a t e d w ith la c k o f tim e t o

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.



F a ja n s , S . (1933) S u c c e ss, p e r s i s ta n c e , and a c t i v i t y i n t h e i n ­ f a n t an d t h e s m a ll c h i l d . P sy c h o l. F o r s c h ., 1 2 , 268-305.

8.

G odbeer, E. (1940) F a c to rs in d u c in g c o n f l i c t i n t h e c h o ic e be­ h a v io r o f c h ild re n * Unpub. M a s te r 's t h e s i s . T a le U n iv e r s ity .

P s y c h o l. F o r s c h .,

9." Hov ia n d , C .I . and S e a rs , R.R. (193S) E xperim ents on m otor con­ f l i c t . I . Types o f c o n f l i c t and t h e i r modes o f r e s o lu ­ t i o n . J . e x p e r . P s y c h o l., 2 2 , 477-493. 10.

.

11

H u ll, G .L. (1932) The g o a l- g ra d ie n t h y p o th e s is and maze l e a r n i n g . P s y c h o l. R e v ., 2 2 , 25 -4 3 . (1934) The r a t ' s sp e e d o f lo co m o tio n g r a d ie n t i n approach to fo o d . J . comp. P s y c h o l., ! £ , 393-422.

12.

K le b a n o ff, S.G . (1939) E x p erim en tal a n a ly s is o f ap p ro ach -ap p ro ach and a v o id a n ce-av o id an ce c o n f l i c t . Unpub. U l s t e r 's t h e s i s , T a le U n iv e r s ity .

13.

Lew in, K. (1935) H ill.

Dynamic th e o r y o f p e r s o n a l i t y . New T ork: McGraw-

si

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

14. 15.

M il l e r , N.E. (1 9 3 7 / A n a ly s is of t h e form o f c o n f l i c t r e a c t i o n s . P sychol. B o il, 34. 720. . (1942) E x p e rim e n ta l s tu d ie s on c o n f l i c t i n Handbook o f P e re n w ^ l^ y a n d t h e B eh a v io r D is o rd e rs . McV. H unt, e d i t . , R onald ■ ’P l a i t i n g Go*

J.

16.

M ille r , N . E . , L ip o fsk y , H ., an d Broun, J . S . (1 9 4 0 ). A pproachav o id an ce c o n f l i c t a s a f u n c tio n o f s tr e n g th of d r iv e and p u n ish m en t, i n G e n e r a lis a tio n o f approach and av o id an ce re sp o n s e s in r e l a t i o n to c o n f l i c t b e h a v io r. Brown, Pft.D. d i s s e r t a t i o n , Y ale U n iv e r s ity ,

17.

S e a rs , R.R. an d H ovland, C .I . (1941) E xperim ents on m otor c o n f l i c t . I I . D e te rm in a tio n o f mode o f r e s o l u t i o n by co m p arativ e s tr e n g th s o f c o n f l i c t i n g re s p o n s e s . J . e x p e r. P s y c h o l., 28, 280-286.

18.

S e a rs , R .R . (1937) I n i t i a t i o n o f th e r e p r e s s io n sequence by ejqperiytenced f a i l u r e . J . e x p e r. P s y c h o l,, 20, 5 70 - 5 8 0 .

19.

(1 942j S u ccess and f a i l u r e . A s tu d y .o f m o t i l i t y i n S tu d ie s i n P e r s o n a lity c o n tr ib u te d i n honor o f Lewis Terma n . e d i t . McNemar an d M e r r i l l . New York: M cGraw-Hill.

permission of the copyright owner. Further reproduction prohibited without permission.

A ppendix A T ab les

-trvH-iH rfnal d a ta

■■ Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

T able 1. Com parison o f m easures

group means w ith r e s p e c t t o th e i n t h e p r e lim in a r y p e r io d Group ........

11

I

III

.. .. .

V

IV

VI

SD

M

SD

M

SD

M

SD

M

R esponse to e x t r i n s i o 1 4 .5 4 in s tig a ­ to r

3 .7 7

12.00

3 .5 9

1 2 .6 0

4 .4 5

1 6 .2 7

4 .9 6

1 3 .2 9

3.29

1 3 .4 7 i

R esponse to card s o rtin g or m ir r o r draw ing

2 .0 7

1 .1 7

1 .9 7

1 .1 6

1.60 1.35

1 .9 7

1 .0 8

1 .8 0

1 .1 2

5.20 k

M o ti l i t y

7 .4 0

.22

7 .6 7

1 .0 9

7.06 1.24

7 .4 7 1 .4 8

7 .2 7

.9 7

7.20 3

Measure

M

SD

M

i !

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

R e l i a b i l i t i e s o f t h e d if f e r e n c e s betw een th e swans w ith r e s p e c t t o th e v a rio u s m easures used

M easure Group

Response t o Response t o c a r d e x t r i n s i c i n s t i g a t o r s o r t i n g o r m irro r

M o tili ty

I

-II

• 688

.523

.5 7 8

I

-III

.616

.558

.578

I

-IV

.523

.500

I

-V

.552

.539

I

-V I

.616

.752

.539

II -III

.539

.539

.652

I I -IV

.616

.500

.539

I I -V

.6 1 6

.539

.539

.752

.616

.539

.578

.500

.539

I I -V I III-IV

.539

III-V in -v i

.539

.781

.539

IV -V

.688

.539

.539

IV -V I

.653

.752

.539

V -VI

.616

.781

.500

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

T a b le 3 Amount o f "d o -n o th in g " o r b lo c k in g b e fo re a t& ak i s s e le c t e d

o b je c t

I

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Kean crm

0 0

Number of 5 second p e r io d s Group II 17 in 0 0 0 0 0 20 0 0 0 25 0 5 18 0 9 5 .1 3 2 .2 5

43 8 13 52 0 168 53 5 119 159 78 19 00 131 34 58.79 1 5 .1 5

0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 .1 3 •42

V

VI

0 13 0 0 0 53 0 0 15 0 0 0 0 0 0

0 3 0 0 10 0 82 150 0 7 87 114 11 8 13

5 .4 0 4 .7 5

32.26 1 2 .8 5

T ab le 4

Group I l 'i - I III-I III-II II- III VI -IV V I* -II IV - I V -II I I I -VI

D iffe re n c e 5 .1 3 58.79 53.66 5 .27 3 2 .1 3 2 7 .8 6 .1 3 .1 7 2 6.53

° " D iff . 2 .2 5 1 5.15 1 5 .2 1 4 .7 7 12.87 1 3 .7 1 .4 2 5 .2 6 1 9 .8 5

t 2 .2 8 3 .8 8 3 .5 6 1 .1 3 2 .5 0 2 .0 3 .3 1 .0 3 1 .3 7

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

P .9 8 4 > .9 9 9 .999 .912 .989 .970 .616 .500 .9 1 2

TabU 3 m M t o f *8* — t b i n f * o r b lo c k in g b e fo re a task le iselected jfU b o r Sub.1 so t

I

11

1 2 3 4 5 6 7 8 9 10

0 0 0 c 0 c c 0 c c 0 0 0 0 0

0 c 0 0 0 20 0 0 0

11 12 13 14 15

0

Mean 0*ia

0

at

5 ■eeond p e r io d s dro o p

in 43 8

13

IV

V

VI

0 0 0 0 -0 0 0 0

0 13 0 0 0 53 0 0

0 3 0 0 10 0

0

15

0

52 0 168 53 5 119 159 78 19 0 131

9

34

0

5 .1 3 2 .2 5

58.79 1 5 .1 5

.1 3 .4 2

25 0 5 18

0 0 0 2

0

82

150 0

0 0 0 0 0 0

7 87 114 11 8 13 5 .4 0 4 .7 5

3 2 .2 6 1 2 .8 5

Table 4

Croup II -I 1 II-I 1 II-II II- III VI -IV VI - I I IV - I V -II III

-Y I

Difference 5 .1 3 58.79 53.** 5 .2 7 3 2 .1 3 27.86 .1 3 .1 7 2 6 .5 3

D if f 2 .2 5 1 5 .1 5 15.21 4 .7 7 1 2 .8 7 1 3 .7 1 .4 2 5 .2 6 1 9 .8 5

2 .2 8 3.88 3 .5 6 1 .1 3 2.50 2 .0 3 .3 1 .0 3 1 .3 7

.9 8 4 > .9 9 9 .999 .9 1 2 .989 .970

Reproduced with permission o f the copyright owner. Further reproduction prohibited without permission.

.616 .500 .9 1 2

T a b le 5 Time e la p s i n g ' b e fo re s v fe je c ts began t a s k

S u b je c t 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Mean

Cm

Number o f 5 second p e rio d s Group I ________ I I ________ I I I ________ IV________ V________ VI 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

0 0 0 0 0 80 0 0 0 48 0 5

0 .0 0 0 .0 0

0 27

168 18 23 204* 0 180 183* 22 191* 180 88 200* 23 147 184*

0 0 0 0 0 0 0 0 0 0 0 0 2 0 0

1 3 .2 0 7 .2 8

121.05 20.89

0 .1 3 «,17

a

8 13 0 0 72 114 0 0 73 0 0 0 0 0 0 2 2 .4 0 9 .8 3

0 55 0 0 13 0 115 203* 0 111 191* 178 61 51 88 7 1 .5 9 1 9 .0 2

* Delay longer, th an 180 seconds. t

T able 6 D iffe re n c e s betw een groups w ith r e s p e c t to tim e e la p s in g b e fo re s u b je c ts began ta s k

Group

I I II IV IV V I II VI

-II -III -III -IV -VI -VI -IV -V -III

D if fe r e n c e 1 3 .2 0 1 2 1.05 1 0 8 .8 5 2 2 .2 7 7 1 .4 6 4 9 .1 0 0 .1 3 9 .2 0 4 8 .4 4

° D iff 7 .2 8 20.89 2 2 .1 3 9 .8 3 1 9 .1 0 21.48 0 .1 7 1 2 .2 4 2 8 .3 0

P

t 1 .8 1 5 .8 2 4 .9 2 2 .5 2 3 .7 4 2.29 0 .7 4 0*74 1 .7 1

.957 * .9 9 9 3**999 .989 .999 .9 8 4 .758 .7 5 8 .948

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

T ab le 7 Number o f ap p ro ach es to a ta s k b e f o r e one was s e le c t e d Number o f ap p ro ach es

Group III

IV

V

VI

0 0 0 0 0 0 0 0 0 3 0 0 2 0 3

5 7 2 5 0 0 6 2 6 1 1 3 2 1 8

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

0 0 0 0 0 4 0 0 1 0 0 0 0 0 5

0 0 0 0 2 0 2 4 0 0 4 4 0 1 0

.53 .2 8

3 .2 7 .69

0 .0 0 0 .0 0

.67 •46

1 .3 3 .0 4

S u b je c t

I

II

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .0 0 0 .0 0

Mean fa

T a b le 8 D if fe r e n c e s betw een groups w ith r e s p e c t t o t h e number o f ap p ro ach es to a t a s k b e fo re one was s e le c te d Group

II -I III-I III-II V -IV VI -IV VI -V V -II II I-V I

D if fe r e n c e .5 2 3 .2 8 2 .7 4 .6 7 1 .3 3 .6 7 .1 4 1 .9 4

®~Diff .2 8 .6 8 .7 4 .a .4 0 .6 1 .5 0 .79

t 1 .8 9 4 .8 1 3 .7 0 1 .6 3 3 .3 3 1 .1 1 .2 8 2 .5 4

P .946 ■S'.999 .999 .940 .995 .858 .616 ' .988

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

T able 9 Amount o f m o ti l it y b e fo re s u b je c ts began ta s k

Sub.i e c t

I

Number o f Changes Group III IV II

1 2 ' 3 4 5 6 7 8 9 10 11 12 13 U 15

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0 11 0 1 11 0 11

26 2 5 30 0 3 26 6 27 10 9 13 3

Mean

0.00 0.00

2 .2 7 1 .1 7

V

VI

0 0 0 0 3 14 0 0 15 0 0 0 0 0 18

0 6 0 0 5 0 13 29 0 5 36 31 11

36

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

13.33 3.18

0.00 0 .0 0

3.33 1 .6 7

1 1 .2 6 3.36

A

A

28

T able 10 D iffere n ce between groups w ith re s p e c t to th e number o f changes i n a c t i v i t y b e fo re a ta s k was s e le c te d Group XI - I III-I III-II V -IV VI -IV VI -V V -II I II - V I

permission of

D iffere n ce

o ’D iff

2 .2 7 13.33 1 1 .0 6 3 .3 3 13.26 9.93 1 .0 6

2 .0 7

copyright o w n e , FX

1 .1 7 T.18 3 .3 8 1.67 4.43 4 .43 2 .0 4 4.62

1 .9 4 4 .1 9 3 .2 7 1.99 3 .33 2 .1 4 .52 .45

.968 ^ .9 9 9 .998 .970 .999 . .981 .689

r repr„ duotion prohibited w#hout ^

J

T ab le 11 Tims s p e n t away from t h e ta s k a f t e r once h a v in g s t a r t e d

S u b je c t 1 2 3 4 5 6 7

a

9 .110

n 12 13 14 15 Mean ym

Number o f 5 second, p e r io d s Group II III IV

I 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ,,00 0 ,,00

0 0 0 0 23 27 65 8 0 50 41 0 15 3 13 1 6 .3 3 4 .3 6

0 168 0 0 0 0

80

80 0 0 18 88 10 0 2 4 .2 6 1 3 .2 7

V

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .0 0 0 .0 0

0 38 0 12 9 100 0 12 0 32 0 49 0 21 3 1 8 .4 6 7 .1 0

VI 19 187 49 200 0 83 133 0 0 7 0 26 34 100 91 6 8 .4 8 1 5 .7 5

T a b le 12 D if f e r e n c e b etw een t h e groups w ith r e s p e c t t o tim e s p e n t a v o id in g t h e t a s k a f t e r s t a r t i n g Group II -I III-I III-H VI -IV VI -V V -IV IV - I V -II VI - I I I V -III

D if fe r e n c e 1 6 .3 3 2 4 .2 6

9 .8 3 6 8 .4 6

5 0 .0 0 1 8 .4 6 0 .0 0 2 .1 3

4 4 .2 0 5 .8 0

t

P

3 .7 5 1 .8 3 .7 0 4 .3 5 2 .9 0 2 .6 0

4 .3 6 1 3 .2 7 1 3 .9 6 1 5 .7 5 1 7 .2 7 7 .1 0

.999 .956 .7 5 4 * -.9 9 9 .996 .991

.2 6 2 .0 6 .3 8

8 .3 3 2 1 .4 6

.598 .970 .650

° P iff

1 5 .0 5

Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.

Number o f re sp o n s e s to t h e e x t r i n s i c in s tig a to rs a f t e r s ta r tin g a ta s k

S u b je c t

I

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Mean cm .

.

Number of 5 second p e r io d s Group II III IV 0 0 0 0 8 27 55 3 0 3 1 0 10 1 9

0 . 00 0 .0 0

7 .7 3 3 .8 6

V

0 94 0 0 0 0 0 50 0 0 8 0 22 8 0

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

0 12 0 0 4 61 0 4 0 30 0 39 0 21 0

1 2 .1 3 6 .4 4

0 .0 0 0.Q0,

1 1 .4 0 5 .5 8

VI 0 80 29 163 0 54 97 0 0 6 0 14 30 48 83 4 0 .2 6 1 0 ,8 7

T able 14 D if f e r e n c e betw een t h e g roups w ith r e s p e c t t o tim e s p e n t re s p o n d in g to e x t r i n s i c i n s t i g a t o r s a f t e r s ta rtin g

Group

II -I III-I III-II V -IV VI -IV VI -V V -II VI - I I I I II-V

D if fe r e n c e

**D iff

7 .7 3 1 2 .1 3 4 .4 0 1 1 .4 0 4 0 .2 6 2 8 .8 6 3 .6 7 2 8 .1 3 .7 3

3 .8 5 6 .4 1 7 .5 0 5 .5 8 1 0 .8 6 1 2 .2 0 6 .7 8 1 2 .6 2 8 .5 2

t 2 .0 1 1 .8 6 .29 2 .0 4 3 .7 0 2 .3 7 .5 5 2 .4 5 .0 8

P .970 .961 .616 .971 .999 .985 .700 .986 .500

Reproduced with permission o f the copyright owner. Further reproduction prohibited without permission.

Ix

T ab le 15 Number o f o s c i l l a t i o n s between ta s k and ex­ t r i n s i c i n s t i g a t o r s a f t e r s t a r t i n g a ta s k Number o f o s c i l l a t i o n s Group II III

S u b je c t

I

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 1 0 0 1 0 3 0 0 0

Mean fa.

0 .0 0 0 .0 0

.3 3 .2 0

IV

V

VI

0 1 0 0 0 0 0 1 0 0 1 0 1 1 0

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

0 1 0 0 0 2 0 0 0 0 0 0 0 1 0

0 1 1 3 0 1 3 0 0 0 0 1 1 2 3

.3 3 .1 4

0 .0 0 0 ,0 0

•86 .33

.2 7 .1 4

T a b le 16

D iffe re n c e between th e groups w ith re s p e c t to th e number of o s c i l l a t i o n s a f t e r a ta s k was s t a r te d Group II -I III-I III-II V -IV VI -IV VI -V V -II VI - I I I III-V

D if fe r e n c e

D iff

.3 3 .2 7

20 14

1 .6 4 1 .9 3

.942 .964

.27 .3 6 .59 .06 .5 3

14 33 36 24 36 20

1 .9 3 2 .6 1 1 .6 4 .2 5 1 .4 8 .3 0

.964 .991 .941 .597 .925 .616

.06

Reproduced with permission o f the copyright owner. Further

-

T able 17 , Amount o f m o t i l i t y a f t e r s u b je c t began ta s k

S u b je c t

I

1 2 3 4 5 6 7 8 9

0 0 0 0 0 0 0 0 0 0

11 12 13 14

-o

no

Mean