n. in experimental psychology, refers to a technique applied in studying non-human species as to hunger and food preference. Under lab conditions, test subjects are offered a variety of foods and observed on their food choices. They are also evaluated on the extent to which their choices affect a life-sustaining balance in their nutrition. See diet self-selection.

CAFETERIA FEEDING: “The results of cafeteria feeding in animals has helped redesign the self-selection process that is now in place among school children.”
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