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| Developmental Tasks | 2 |
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| Developmental Psychology | 2 |
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Peer reviewedRamsay, Douglas S.; Campos, Joseph J. – Developmental Psychology, 1975
Descriptors: Developmental Tasks, Heart Rate, Infants, Memory
Peer reviewedWillatts, Peter – Developmental Psychology, 1999
Three longitudinal studies examined means-ends behavior of 6- to 8-month olds. Found that intentional means-end behavior increased between 6 and 7 months, with 7-month olds' performance influenced by the presence of a toy on the cloth. Performance was the same when cloth was attached to or separate from the toy. By 8 months, infants adjusted…
Descriptors: Age Differences, Cognitive Development, Concept Formation, Developmental Tasks
