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Peer reviewedVandenberg, Brian R. – Merrill-Palmer Quarterly, 1985
Exploratory behavior of educationally mentally retarded 7- to 12-year-old children was compared to that of two independent groups of normal children matched on chronological and mental age. In a multidimensional assessment of exploration, results suggested that delays in exploratory behavior in retarded children are developmental in nature, and…
Descriptors: Behavior Development, Children, Chronological Age, Developmental Disabilities
Peer reviewedSeibert, Jeffrey M.; And Others – Intelligence, 1984
Do stage-related patterns of early cognitive development reported for normally developing children also characterize at-risk and handicapped children when mental age organization of data is used? Mental age predicted Piagetian-based cognitive levels one to three but did not predict highest-level symbolic functioning in 95 handicapped children.…
Descriptors: Cognitive Development, Correlation, Developmental Disabilities, Developmental Stages
