Factors affecting perception: motivation

Question 1

aim?

Answer 1

what effect would food deprivation have on the perception of related pictures

Question 2

method?

Answer 2

26 undergraduates - without food - 20 hours
control group - not deprived
4 slides (t-bone steak,hamburger, spaghetti, fried chicken)
15 secs - matching pics exercise
projection turned off and then on again but this time it was dimmer
adjust knob so picture looked the same as before

Question 3

results?

Answer 3

• perceived the food pictures brighter than they were
• not occur with the control group

Question 4

conclusions?

Answer 4

hunger motivating factor that affects perception, food deprived higher sensitiivity to food related pictures
motivation is part of the perceptual set

Question 5

evaluation?

Answer 5

weakness: depriving people of food and water may not be ethical - period without food is not huge - discomfort to take part - informed consent to take part in the study but not understand what it would feel like to go without food - quit without spoiling the study - not fair to deprive people with food for a pyschology experiment

stregnth: pratical applications to this within the field of marketing - focus on using appealing imagery so they are able to be drawn towards the food product