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Power, Thomas G.; And Others – Developmental Psychology, 1985
Studies 12- to 24-month-olds in a series of videotaped tasks assessing single object manipulation, relational play, pretend play, distractibility and persistence. Develops eight relatively subtle measures of three aspects of individual differences in infant behavior: developmental level, attention span, and exploratory diversity. (Author/NH)
Descriptors: Exploratory Behavior, Individual Differences, Infants, Object Manipulation