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| Cognition | 3 |
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Peer reviewedMayr, Ulrich; And Others – Cognition, 1996
Investigated the proposition that two distinct factors involved in life span cognitive development are mental speed and coordination efficiency. Results show dissociable speed of processing and working memory functioning over the life span and age-related differential effects of coordinative demands. (ET)
Descriptors: Age Differences, Cognitive Development, Cognitive Processes, Individual Development
Peer reviewedGutheil, Grant; Vera, Alonzo; Keil, Frank C. – Cognition, 1998
Examined preschoolers' inductive inferences across biological and non-biological kinds. Found support for gradual-enrichment model of conceptual change. Four-year-olds had a limited, coherent, independent biological theory which may form the basis of mature understanding of biological kinds. Explored results in terms of multiple explanatory…
Descriptors: Beliefs, Cognitive Development, Concept Formation, Decision Making
Peer reviewedSamuelson, Larissa K.; Smith, Linda B. – Cognition, 1999
Two experiments examined toddlers' noun vocabularies and interpretations of names for solid and non-solid items. Results indicated that one side of the solidity-syntax-category organization mapping was favored. Seventeen- to 33-month olds do not systematically generalize names for solid things by shape similarity until they already know many…
Descriptors: Age Differences, Child Development, Child Language, Classification
