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Psyc 100

by: Kate Notetaker

Psyc 100 PSYCH 100

Kate Notetaker
GPA 3.6

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About this Document

Motivation Notes Continued
Introduction to psychological science
Class Notes
25 ?




Popular in Introduction to psychological science

Popular in Psychlogy

This 2 page Class Notes was uploaded by Kate Notetaker on Tuesday March 29, 2016. The Class Notes belongs to PSYCH 100 at Ball State University taught by Biner in Winter 2016. Since its upload, it has received 20 views. For similar materials see Introduction to psychological science in Psychlogy at Ball State University.


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Date Created: 03/29/16
3-­‐29-­‐16     Motivation     II.  Psychological  View  of  Obesity     • One  psychological  approach  to  understanding  obesity  comes  from  the  work   of  Stanley  Schacter     • Called  Internal/External  Theory     o Schacter  proposed  that  obese  people  eat  not  only  when  they  are   hungry,  but  also  when  the  correct  environmental  cues  are  present.     § Ex.  Eating  at  lunch  time  when  not  hungry,  eating  at  2  when   hungry   § Obese  individuals  will  nearly  always  engage  in  eating  behavior   if  and  when:     § Food  is  viewed  (ex.  Tv  commercial/buffet)   § The  correct  eating  time  arrives  (ex.  noon   § He  called  these  people,  “externals”     o Of  course,  people  of  normal  weight  tend  to  eat  only  when  the  correct   internal  cues  are  present  (ex.  when  they  get  hunger  pangs)     o He  called  these  people  “internals”     o Schacter  conducted  a  series  of  about  20  studies..   § In  one  study,  normal  weight  and  obese  people  were  asked  to   sit  at  a  table  and  fill  out  a  questionnaire     § The  experimenter  left  a  bag  of  almonds  on  the  desk  and  invited   subjects  to  help  themselves  while  they  were  filling  out  the   questions     § In  condition  #1:  shells  were  off  the  nuts     § In  condition  #2:  shells  were  left  on  the  nuts  (nutcracker  was   provided)     § When  subjects  left  the  room,  the  nuts  were  counted  to   determine  who  had  eaten  any     § Results:     • Shells  on:  Normal  Weight:  50%  Obese  Weight:  5%   • Shells  off:  Normal  Weight:  50%  Obese  Weight:  95%   § Conclusion:     • Obese  people  eat  more  than  normal  people  when:     o Food  is  present     o When  it  is  easy  to  get     § Evidence  also  shows  that  the  more  salient  (visually  obvious)   the  food  cue  is,  the  more  likely  it  will  lead  to  eating  behavior   for  externals.     § For  example,  researchers  have  shown  that…   • Obese  people  will  eat  far  more  from  a  bowl  of  nuts   when  the  bowl  is  brightly  illuminated  than  when  it  is   dimly  lit.  (buffet  trays)   • For  normal  weight  individuals,  the  illumination  had  no   effect  on  eating  behavior.     • In  sum,  the  current  theories  suggest  that  both   physiological  and  psychological  factors  contribute  to   human  obesity.      


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