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| American Journal of Mental… | 1 |
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Peer reviewedOdom, Penelope B.; And Others – American Journal of Mental Deficiency, 1973
Descriptors: Age Differences, Elementary School Students, Exceptional Child Research, Intellectual Development
Download full textOsborne, R. Travis; Lindsey, James M. – 1965
A total of 125 white children from three counties in Georgia (selected as representative of small rural and medium and large industrial urban populations) were administered a battery of tests in three phases of their schooling: (1) during the summer preceding their admission to the first grade, (2) near the end of the first grade, and (3) near the…
Descriptors: Age Differences, Concept Formation, Elementary School Students, Expressive Language
