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Exploring the mediation of emotional state on the influence of ambient light on eating behaviour

Kanbier, E.P. (2021) Exploring the mediation of emotional state on the influence of ambient light on eating behaviour.

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Abstract:Eating behaviour has been proven to be influenced by physical environment and ambient light. The current study researched the extent to which emotional state mediated the influence of ambient light on eating behaviour of healthy and unhealthy snacks. To do so, two studies were designed. In Study 1, participants rated photographs of healthy and unhealthy snacks illuminated by light varying in illuminance level (35 lx versus 300 lx) and colour temperature (2700K versus 6000K). A mediating and moderating effect of valence of emotional state was found on the influence of illuminance level on liking of appearance of snacks. This effect was researched more in depth in Study 2, in which 40 participants rated and ate an unhealthy snack in both bright (300 lx) and dim (35 lx) light. From this, only a moderating effect of valence of emotional state on the influence of illuminance level on liking of appearance was found. The nature of these effects might be due to differences in study design, participants possibly being emotional eaters or not, and a difference might exist between healthy and unhealthy snacks. For a better understanding, research with long-term exposure with higher ecological validity and manipulation of emotional state is recommended.
Item Type:Essay (Master)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Subject:02 science and culture in general, 77 psychology
Programme:Interaction Technology MSc (60030)
Link to this item:http://purl.utwente.nl/essays/88079
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