An analysis of learning efficiency in arithmetic of mentally retarded children in comparison with children of average and high intelligence: Herbert J. Klausmeier, director, John Feldhausen, assistant director, John Check, research associate. Research ... performed pursuant to a contract wit with the United States Office of Education, Dept. of Health, Education, and Welfare

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1959 - Education - 336 pages
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Contents

THE CHILDREN
10
U Occupations of the Subjects Fathers in 19571958
18
DESCRIPTION OF THE MEASURES
21

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