Studied by 1 personWhat study do we use to prove the motivation affects perception?
Gilchrist and Nesberg's study
What is Gilchrist and Nesberg's study aim?
Find out the effect of food deprivation on perception
What was Gilchrist and Nesberg's study method?
Experimental group of 26 undergraduates who went without food for 20 hours. Control group was not deprived of food. The participants were randomly allocated to each group The participants were shown 4 different meals for 15 second then turned off the projector and asked the participants to adjust the light dimmer so that it matched the picture they were shown before.
What were the results of Gilchrist and Nesberg's study results?
Food deprived participants adjusted the light so that it was brighter than before. The control group adjusted it accordingly
What is the conclusion for Gilchrist and Nesberg's study?
This study demonstrates that hunger can affect perception.
What is a strength of Gilchrist and Nesberg's study?
Findings have been replicated from Sanford (1936). Enhances validity of findings.
What are the weaknesses of Gilchrist and Nesberg's study?
Lacks ecological validity Unethical to deprive people for 20 hours
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