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Reply to Humphreys' and Parsons'"Piagetian Tasks Measure Intelligence and Intelligence Tests Assess Cognitive Development."
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Glass, Gene V.; Stephens, Beth – Intelligence, 1980
Relationships among Piagetian reasoning assessments and standard measures of intelligence and achievement were determined in 1972 by Stephens, McLaughlin, Miller, and Glass (EJ 055 112). The data were reanalyzed by Humphreys and Parsons in 1979 (EJ 218 642). In reply, Glass and Stephens note fallacies in Humphreys' and Parsons' reasoning.…
Descriptors: Achievement Tests, Cognitive Development, Cognitive Measurement, Cognitive Processes
An "Instantaneous" Estimate of a Lifetime's Cognitive Change
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Deary, Ian J.; Whalley, Lawrence J.; Crawford, John R. – Intelligence, 2004
Change in cognitive functioning is an important aspect of human aging and a key outcome in many medical conditions. However, cognitive change can rarely be measured directly, since prior cognitive data do not exist for most people. We examined the criterion validity and one-year stability of the difference between National Adult Reading Test…
Descriptors: Aging (Individuals), Test Validity, Cognitive Ability, Older Adults