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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