Psychobiology of Food Choice and Eating Behaviour - Role of contect in food choice
17 important questions on Psychobiology of Food Choice and Eating Behaviour - Role of contect in food choice
How to categorize context influences?
Simultaneous contextual influences - labelling
- even when subjects know the information on the labels is false!
Simultaneoes contextual influences - appropriateness
- meals (breakfast, dinner)
- moods (sadness, happiness)
- special occasions (holidays, celebrations)
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Explain Schutz's Law of food choice:
liking: pleasantness
appropriateess: matching to use-context, person
Eating environment = (4 factors)
- atmospherics
- effort
- social faciliation
- disctraction
Eating environment - atmospherics:
Optimizing meal ambiance in Dutch nursing homes contributes to a higher energy intake.
Eating environment - social facilitation:
Food environment = (5 factors)
- salience
- structure and organisation
- size of package and portions
- stockpiling
- shape of plates, glasses and bowls
Food environment - salience:
The office candy dish: proximity's and visibility's influence on estimated and actual consumption.
- When it is visual and close by, people eat the most
- If it's not visible, you see a big drop in eating
>> Visibility is key in this sense.
Food environment - structure and organisation:
- (perceived) structure and variety of food can increase consumption volume
- M&M candies (7 vs 10 different colours) >> effect of actual variety
- Structure and organisation -> moderate perceived variety jelly beans in children + adults
Food environment - size package/portions:
- Extreme package/portion sizes influence perceptions and preferences, even if not chosen, and can increase consumption
- Mechanism -> size suggests consumption norm and activates certain expectation
- Volume of food eaten is better indicator of reported fullness than calorie density
Food environment - Stockpiling (hamsteren):
- Stockpiled food is quickly consumed -> makes food products more visible and salient
Food environment - shape plates, glasses:
People feel more full for longer, only because of the other place next to it.
Study: Tall slender glass they could indicate quite good
Short wide glass they poured more when distracted. They were fooled by the shape of the glass.
Explain evoked context in light of balancing simplification and contextualization:
- text
- brief written scenario's
- imaging a specific consumption situation where product consumption would take place
- audiorecordings
- picture
Explain immersive contexts in light of balancing simplification and contextualization:
- mixed immersion: visual, audio, olfactory context cues (computer screen, headphone, cookie aroma)
- full immersion: visual, audio, olfactor context cues (video wall, surround sound speakers, cookie aroma)
Explain living labs in light of balancing simplification and contextualization:
- Restaurant of the Future (WUR)
- The living lab in France
Explain virtual reality in light of balancing simplification and contextualization:
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