Gilchrist and Nesberg's study on Motivation

• What is the main focus of the study by Gilchrist and Nesberg?

  How food deprivation affects perception
• How does motivation influence perception according to the study material?

  It can increase the attractiveness of things
• What was the aim of the study conducted by Gilchrist and Nesberg?

  • To investigate if food deprivation affects perception
  • To understand how motivation influences perception
• What type of experiment did Gilchrist and Nesberg conduct?

  Lab experiment
• How many university students participated in the study?

  26 university students
• What sampling method was used in the study?

  Volunteer sampling
• How were the participants allocated to groups in the study?

  Random allocation of groups
• What were the two groups in the study by Gilchrist and Nesberg?

  • One group deprived of food for 20 hours
  • Control group not deprived of food
• How long were participants deprived of food in the study?

  20 hours
• What did participants have to do with the food pictures shown to them?

  Adjust the lighting to match brightness
• How long was each food picture displayed to participants?

  15 seconds
• How many times were participants tested during the study?

  Three times
• What was the main finding regarding participants' perception of food pictures?

  Perceived food as brighter when deprived
• How did the control group perceive the food pictures?

  Did not perceive food as brighter
• What conclusion can be drawn from the study about hunger?

  • Hunger increases perceptual sensitivity
  • Hunger affects perception of food-related pictures
• What is one strength of the study by Gilchrist and Nesberg?

  • Support from similar studies
  • Validity increased by consistent results
• What did Sanford's study find regarding food deprivation and perception?

  Longer deprivation led to seeing food
• What is a major ethical issue in studies involving food deprivation?

  • Participants may feel uncomfortable
  • Deprivation of food and water is unethical
• Why is the study not representative of everyday life?

  Participants judged pictures, not real food
• What is a limitation of the study's applicability to real-world situations?

  • Judging pictures is not realistic
  • Results may not apply to actual hunger