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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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Inheritance of Arithmetical Qualities: A Quantitative Study (Classic Reprint)
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Paperback. Zustand: New. Print on Demand. This book delves into the nature of arithmetical abilities, examining the resemblance between parents and children in their mathematical skills. The author posits that heredity plays a significant role in shaping these abilities, presenting evidence from a study involving twenty children and their parents. The results suggest that children tend to inherit the relative strengths and weaknesses of their parents in different arithmetical operations. While the study acknowledges the influence of environmental factors, it argues that hereditary factors may have a more profound impact on the development of these mathematical traits. The book provides a valuable contribution to our understanding of the relationship between genetics and cognitive abilities. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Bestandsnummer des Verkäufers 9781527869028_0
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