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Diaz, Rafael M. – Developmental Psychology, 1986
Responds to W. Frawley's and J. Lantolf's comments on the Frauenglass and Diaz study concerning the interaction between private speech and cognition. Argues that Vygotsky's theory predicts a positive effect on children's problem solving activity. (HOD)
Descriptors: Children, Classification, Cognitive Processes, Epistemology
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Meints, Kerstin; Plunkett, Kim; Harris, Paul L. – Developmental Psychology, 1999
Two experiments used the preferential looking task to assess early word comprehension in 12- to 24-month olds. Results indicated that when target stimuli were named, 12-month olds displayed an increase in target looking for typical--but not atypical--targets, whereas 18- and 24-month olds displayed increases for both. (Author/KB)
Descriptors: Age Differences, Classification, Concept Formation, Language Acquisition