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| Exploratory Behavior | 2 |
| Infants | 2 |
| Object Manipulation | 2 |
| Play | 2 |
| Toddlers | 2 |
| Age Differences | 1 |
| Individual Differences | 1 |
| Persistence | 1 |
| Pretend Play | 1 |
| Visual Learning | 1 |
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Peer reviewedPower, 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
Peer reviewedFenson, Larry; Schell, Robert E. – Early Child Development and Care, 1985
Discusses developmental changes in visual exploration and manipulative investigation among children from birth to six months, six to 12 months, and 12 to 36 months of age. Also discusses pretend play in terms of decentration, decontextualization, and integration. (RH)
Descriptors: Age Differences, Exploratory Behavior, Infants, Object Manipulation
