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Ramsay, Douglas S.; Weber, Sherry Lee – Child Development, 1986
Tested infants in their second year with a box task to determine whether they would show a hand preference in solutions involving complete differentiation of roles for the two hands. (HOD)
Descriptors: Behavior Development, Child Development, Cognitive Development, Infants
Peer reviewed Peer reviewed
Ruff, Holly A.; And Others – Child Development, 1984
Compares the manipulative exploration of objects of 30 nine-month-old preterm infants with that of 20 nine-month-old full-term infants. Although no difference between the preterms and the full terms was noted, a high-risk preterm subgroup manipulated objects less. A relationship was found between manipulative exploration at nine months and later…
Descriptors: Birth Weight, Cognitive Development, Exploratory Behavior, High Risk Persons
Peer reviewed Peer reviewed
Cassidy, Jude – Child Development, 1986
Explores the relation between the infant's ability to negotiate the environment and the quality of the infant-mother attachment relationship. (HOD)
Descriptors: Adjustment (to Environment), Attachment Behavior, Behavior Development, Behavior Patterns
Hallam, Philippa M.; Williams, John G. – 1987
The purpose of the study was to determine whether particular aspects of movement control influenced the performance of 2-year-old children on a standard developmental test, and thus influenced assessments of intellectual progress based on that test. Six cerebral-palsied (CP) children were compared with six children not suffering motor system…
Descriptors: Cerebral Palsy, Child Development, Difficulty Level, Early Childhood Education