Extended criterional learning-set (LS) training prior to test on a series of 6-tr/LS problems provided a significant, but transitory, advantage for Ss trained in a situation where problem objects were encased in Plexiglas bins. Criterional training appeared to compensate, at least partially, for those characteristics of this method of problem presentation which render squirrel monkey Ss learning-setless when given just 6-tr/LS training (Rumbaugh, Ternes, & Abordo, 1965).
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RumbaughD. M.TernesJ. W.AbordoE. J.Learning set in squirrel monkeys as affected by encasement of problem objects in Plexiglas bins. Percept. mot. Skills, 1965, 21, 531–534.
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StevensD. A.Learning-set formation in Burmese cats: Fixed-trial and criterional training methods compared. Paper read at the Western Psychological Association, Portland, 1964.