A check on the 28 factor clinical analysis questionnaire structure on normal and pathological subjects
Cattell, Raymond B. (Raymond Bernard), 1905-1998
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Cattell, R. B. (1973). A check on the 28-factor clinical analysis questionnaire structure on normal and pathological subjects. The Journal of Multivariate Experimental Personality and Clinical Psychology, 1, 3–12.
Taking the widest currently possible array of items made up for various pathological behaviors, some five pioneer factorings have indicated 28 primary factors, 16 of which are the familiar normal personality factors of the 16 P.F. in partly pathological expression. A pair of scales to mark each of these factors having been developed in the experimental CAQ, a check on the factor structure of the 56 variables provided was made independently on a group of 400 normal adults, 190 clinical patients, and on the mixed group spanning the normal-pathological range. The existence of 28-29 factors is uniformly supported in all three, and the nature of the factors, at a high degree of simple structure, is essentially as hypothesized (as is also confirmed by the second order structure). However, one psychoticism factor and two depression factors show some spread into other factors, and farther progressive rectification with new items is indicated. This is in progress by Sells and Cattell in constructing equivalent forms of the CAQ for clinical practice.