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Bower, T. G. R. – Merrill-Palmer Quarterly, 1974
Provides data indicating that development occurs in cycles, with behavioral competencies appearing and developing and then disappearing only to reappear again in a more complex form at a later age. Data on conservation and auditory-manual coordination in infancy are used to support this theory. (ED)
Descriptors: Behavior Development, Behavior Patterns, Behavioral Science Research, Child Development