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Psychological Monographs Volume 29, Nos. 130-133; General and Applied download torrent

نویسنده :Dominic Reynolds
تاریخ:یکشنبه 28 تیر 1394-04:20 ب.ظ

Psychological Monographs Volume 29, Nos. 130-133; General and Applied by American Psychological Association

Psychological Monographs Volume 29, Nos. 130-133; General and Applied
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Author: American Psychological Association
Number of Pages: 172 pages
Published Date: 01 Mar 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
ISBN: 9781130017854
Download Link: Psychological Monographs Volume 29, Nos. 130-133; General and Applied
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1921 Excerpt: ... extreme variability in the rate of growth. Table 12 shows that the average rate of growth fluctuates with age, being a decreasing variable from ages 10 to 12. But at age 12 the average mental age is higher than at ages Table 12 Average results of repeated tests of superior children, for each life age group. Ave. first age 9.5 10.5 114 12.5 Number of subjects 5 10 13 7 Ave. first mental age 134 13-6 13-6 M-8 Ave. life age increase 1.1 1.3 1.3 1.1 Ave. mental age increase 1.5 2.3 2.0 1.6 Ave. rate of increase 128 181 152 145 Ave. I. Q 140 129 120 117 Ave. I. Q. change 7 10 10 7 10 and 11, hence the 12-year decrease in rate may be due to the observed tendency of rate to decrease as mental age increases. In view of the unreliability of the average rates (due to individual variability and the small number of subjects at each separate age) it is of some assistance to appeal to correlation coefficients for the entire group of subjects. In doing so we must not, however, lose sight of the limitation of the correlation method when applied to such data. The Pearson coefficient of correlation between rate of growth and mental age is r =--.30 (P. E..10), and between rate of growth and life age is r =.058 (P. E..113). The correction of these correlations for spurious influence of the correlation between age and mental age (r =.058) does not materially change the size of the coefficients. The correlation between mental age and rate when corrected for constriction remains r =--.30. The correlation between life age and rate becomes r =.079. In the former case the correlation although not high is fairly dependable. In the latter case it is low and undependable. We may say, then, that in the case of children of superior intelligence between the ages of 8 and 12 years inclusi...

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