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Influence of the Nursery School on Mental Growth by Arden Frandsen & Frances P. Barlow - 1940In attempting to evaluate the relative roles of hereditary and environmental factors in the determination of individual differences in intelligence, many studies of several kinds have been made (6). The data, we believe, have indicated heredity to be the more important factor; however, evidence of significant environmentally induced changes in IQ is not lacking, as in Freeman (2), who reported that when 37 children averaging eight years of age were transferred from inferior homes to better foster homes they made in 4% years a mean IQ gain of 5.3, which "would probably mean an actual gain of 7 about 10.4 points/ when certain technical corrections were made.To view the full-text for this article you must be signed-in with the appropriate membership. Please review your options below: This article originally appeared as NSSE Yearbook Vol 39, No. 2. |
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