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Gampel, Ezra S. – American Journal on Mental Retardation, 1990
The paper notes A. Hore and W. Tryon's support of the developmental position that persons with and without mental retardation of similar mental age show similar cognitive patterns, but suggests that mental age is psychometrically invalid and Piagetian tasks are inappropriate to evaluate this position. An information processing approach is…
Descriptors: Cognitive Development, Cognitive Processes, Developmental Stages, Developmental Tasks

Humphreys, Lloyd G.; And Others – Developmental Psychology, 1985
Since early research had shown that a total score on 27 Piagetian tasks was very highly correlated with a Wechsler and achievement composite, a study investigated the possibility of shortening the Piagetian test by means of classical analysis methodology. (HOD)
Descriptors: Academic Achievement, Adolescents, Children, Cognitive Development