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Psychomotor Skills	2
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Developmental Psychology	1
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Developmental Psychology

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King, William L.	1
Porretta, David L.	1
Seegmiller, Bonni	1

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Performance of 14- to 22-Month-Old Black, Firstborn Male Infants on Two Tests of Cognitive Development: The Bayley Scales and the Infant Psychological Development Scales

Peer reviewed

King, William L.; Seegmiller, Bonni – Developmental Psychology, 1973

Descriptors: Black Youth, Cognitive Development, Developmental Psychology, Infants

Performance Variability of Educable Mentally Retarded Boys on a Novel Kicking Task.

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Porretta, David L. – 1984

Baumeister's (1968) hypothesis that mentally retarded children exhibit depressed levels of performance and greater intra-individual variability when compared to intellectually non-handicapped children of similar chronological age was investigated. Eight 10-year-old educable mentally retarded boys and 16 non-handicapped boys, matched by either…

Descriptors: Cognitive Development, Elementary Education, Males, Mild Mental Retardation