AbstractGet full access to this articleView all access options for this article.Get accessReferences1. Balogh B. A. Zimmermann R. R. Short-term retention of object discriminations in experienced and naive rhesus monkeys. Perceptual and Motor Skills, 1971, 33, 543–549.2. Medin D. L. Adjusting retention scores: Reply to Balogh and Zimmermann. 461–462.