Acquisition and extinction of problem-solving set.

Abstract
3 groups were trained on 5, 10, or 20 Water-Jar problems which required the same solution. Then given a pre-extinction test of one more problem with the same solution, an extinction test of one problem requiring a new solution, and a post-extinction test of still another problem requiring the first solution. Performance on the pre-extinction test was a positive function of number of training problems. Performance on the extinction test was a negative function of number of training problems. Performance on the post-extinction problem was similar in the groups. (PsycINFO Database Record (c) 2006 APA, all rights reserved)
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