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Empirical Verification of the Radex Structure of Mental Abilities and Personality Traits1

Empirical Verification of the Radex Structure of Mental Abilities and Personality Traits1 EMPIRICAL VERIFICATION OF THE RADEX STRUCTURE OF MENTAL ABILITIES AND PERSONALITY TRAITS 1 LOUIS GUTTMAN Center for Advanced in the Behavioral Sciences 2 Study Introduction Order Patterns Consider a of tests that is limited to arith- battery only abilities: metical addition, subtraction, multiplication, division, etc. It be that such abilities differ might hypothesized among themselves in level so that their intercor- largely of complexity, relations should reveal a of a certain tests hierarchy type: should correlate more with each as other the difference highly in their levels of decreases. addition should Thus, complexity more with subtraction than with correlate division. Similarly, division should correlate more with than with multiplication etc. subtraction, This structural arithmetical abilities hypothesis concerning has been verified correlation empirically by re-examining matrix Thurstone. the six tests that published by Selecting involved arithmetical the content of the ability-as judged by in items used-and them their order of arranging apparent correlation table in which the yielded complexity, largest correlations were next to the main and off diagonal tapered toward the northeast and southwest corners of the table (4, 6), which is the for the coefficients. hypothesized hierarchy Such a structure for a table of observed correlation coeffi- has http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Educational and Psychological Measurement SAGE

Empirical Verification of the Radex Structure of Mental Abilities and Personality Traits1

Guttman, Louis
Educational and Psychological Measurement , Volume 17 (3): 17 – Oct 1, 1957
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References (7)

Publisher
SAGE
Copyright
Copyright © by SAGE Publications
ISSN
0013-1644
eISSN
1552-3888
DOI
10.1177/001316445701700306
Publisher site
See Article on Publisher Site

Abstract

EMPIRICAL VERIFICATION OF THE RADEX STRUCTURE OF MENTAL ABILITIES AND PERSONALITY TRAITS 1 LOUIS GUTTMAN Center for Advanced in the Behavioral Sciences 2 Study Introduction Order Patterns Consider a of tests that is limited to arith- battery only abilities: metical addition, subtraction, multiplication, division, etc. It be that such abilities differ might hypothesized among themselves in level so that their intercor- largely of complexity, relations should reveal a of a certain tests hierarchy type: should correlate more with each as other the difference highly in their levels of decreases. addition should Thus, complexity more with subtraction than with correlate division. Similarly, division should correlate more with than with multiplication etc. subtraction, This structural arithmetical abilities hypothesis concerning has been verified correlation empirically by re-examining matrix Thurstone. the six tests that published by Selecting involved arithmetical the content of the ability-as judged by in items used-and them their order of arranging apparent correlation table in which the yielded complexity, largest correlations were next to the main and off diagonal tapered toward the northeast and southwest corners of the table (4, 6), which is the for the coefficients. hypothesized hierarchy Such a structure for a table of observed correlation coeffi- has

Journal

Educational and Psychological Measurement – SAGE

Published: Oct 1, 1957

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