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Beran, Michael J.; Ratliff, Chasity L.; Evans, Theodore A. – Learning and Motivation, 2009
In three experiments, four chimpanzees made choices between two visible food options to assess the validity of the "selective value effect" (the assignment of value to only the most preferred type of food presented in a comparison). In Experiment 1, we established that all chimpanzees preferred single banana pieces to single apple pieces before…
Descriptors: Behavior Patterns, Intervals, Animals, Food
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Heth, C. Donald; Pierce, W. David – Learning and Motivation, 2007
Rats were given differential exposure to three distinct and novel foods. One of these foods was exposed for 7 days; another for 2 days, and the last was not exposed. Next, half of the rats received six daily sessions in which a compound of the three flavors was followed by opportunities to run in wheels. The other rats received the food compound…
Descriptors: Novelty (Stimulus Dimension), Physical Activities, Conditioning, Eating Habits