The authors analyze the shape categorization of rhesus monkeys ("Macaca mulatta") and the role of prototype- and exemplar-based comparison processes in monkeys' category learning. Prototype and exemplar theories make contrasting predictions regarding performance on the Posner-Homa dot-distortion categorization task. Prototype theory--which…

This study contrasted two possible relations between reflection-impulsivity and analytic or holistic modes of processing. Although impulsive children were more holistic in the classification task, they made more errors than reflectives on matching tests, regardless of whether the content favored holistic processing. (RH)