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rp and other Coefficients of Pattern Similarity

Published online by Cambridge University Press:  01 January 2025

Raymond B. Cattell
Raymond B. Cattell*
Affiliation:
University of Illinois
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Abstract

A pattern consists of fundaments and relations. Its similarity to other patterns can be expressed either in terms of relations alone—in which case a modified correlation coefficient, rs, suffices—or in terms of fundaments and relations, where new coefficients, rp and r′p are required. The derivation of a coefficient of pattern similarity, rp, is presented and its properties are investigated, both deductively and in terms of actual data on culture patterns.

Type
Original Paper
Information
Psychometrika , Volume 14 , Issue 4 , December 1949 , pp. 279 - 298
Copyright
Copyright © The 1949 Psychometric Society

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