Acquisition and long-term retention of an object-quality set by retarded children.

Abstract
32 children (CA from 7 to 14 yr., IQ from 52 to 82) were given 3-trial object discrimination problems. Performance differed widely, with 12 children showing practically no evidence of improvement over 120 problems. Retention tests given 6 mo. later showed only a slight temporary decrement in the group that had learned. Those Ss that did not learn differed but little from the others on IQ or MA, but the presence of some organic factor was suggested in the school records of many of the slower group. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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