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General Intelligence and Specific Cognitive Abilities in Adolescence: Tests of Age Differentiation, Ability Differentiation, and Their Interaction in Two Large Samples
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Breit, Moritz; Brunner, Martin; Preckel, Franzis – Developmental Psychology, 2020
Differentiation of intelligence refers to changes in the structure of intelligence that depend on individuals' level of general cognitive ability (ability differentiation hypothesis) or age (developmental differentiation hypothesis). The present article aimed to investigate ability differentiation, developmental differentiation, and their…
Descriptors: Intelligence, Cognitive Ability, Adolescents, Age Differences
Age and Ability Differentiation in Children: A Review and Empirical Investigation
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Breit, Moritz; Brunner, Martin; Preckel, Franzis – Developmental Psychology, 2021
Differentiation hypotheses concern changes in the structural organization of cognitive abilities that depend on the level of general intelligence (ability differentiation) or age (developmental differentiation). Part 1 of this article presents a review of the literature on ability and developmental differentiation effects in children, revealing…
Descriptors: Cognitive Ability, Age Differences, Child Development, Elementary School Students