Eating is one of the most complex human activities, as it involves many biophysiological, psychological, socioeconomic, sociocultural, and environmental factors that almost always work simultaneously to meet the objectives of eating, including meeting physiological demands, providing comfort, sociocultural reasons, and providing pleasure. This paper aims to explore which factors significantly influence people's eating behaviors and examines how design could play a role in modifying the eating environment. From this review, we found that taste develops before birth. Although emotions were identified as driving people to crave foods, people basically have less control over their desire to eat. Sociocultural, natural, and food environments govern people's choices of and desires for foods more significantly than hunger motives. Packaging, symbols, brands, and environmental designs made for food promotion were found to be effective in influencing people's choice of food and eating behavior. Therefore, research on the eating behavior-environment relationship seems to be a promising topic for design psychology research.
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