Inheritance of Arithmetical Qualities: A Quantitative Study (Classic Reprint) - Softcover

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Excerpt from Inheritance of Arithmetical Qualities: A Quantitative Study

This paper is a study of the resemblance of child to parent in arithmetical constitution; that is, in the relations between the degrees of skill he shows in the simple arithmetical processes. It aims to show that if, for instance, aflchild is much quicker than the average in subtraction, but not in addition, multiplication or division, it is to be expected that one at least of his parents shows a like trait; or, if he falls below the average in subtraction and multiplication, and exceeds it in addition and division, again the same will hold true of at least one of his parents; it aims to show, further, that heredity is the most reasenable explanation of this resemblance. It is based on the results of a'preliminayy investigation begun in the fall of 1912 at the University of illinois, Where the cocperation of the Departments of Zeblogy and of Education gays unusual advantages for carrying on the work. It makes clear the possibility of testing the theory by actual measurements of families; it gives ftom the figures meanwhile obtained a provisional measure of the degree of resemblance in families, Which is significantly high; and it points to the conclusion that further work, which, it is hopedimay be undertaken in the near future, will prove.

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