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Gershkoff-Stowe, Lisa; Thelen, Esther – Journal of Cognition and Development, 2004
The traditional view of development is stage-like progress toward increasing complexity of form. However, the literature cites many examples in which children do worse before they do better. A major challenge for developmental theory, therefore, is to explain both global progress and apparent regression. In this article, we situate U-shaped…
Descriptors: Theories, Language Acquisition, Child Development, Child Behavior