We conducted five studies with depressed patients, demographically matched controls, and college students to develop and psychometrically evaluate new measures of concerns about interpersonal relationships (sociotropy) and autonomous achievement (autonomy), constructs that have been proposed to confer vulnerability to depression. The final version of the Personal Style Inventory (PSI) Sociotropy and Autonomy scales showed a good factor structure, internal consistency reliability, and test-retest stability, a low correlation with each other, and weak or no gender differences. Convergent and discriminant validity were examined with respect to depressive symptom levels, the Dependency and Self-Criticism scales of the Revised Depressive Experiences Questionnaire, and a social desirability scale and were generally acceptable. Further evaluations of the construct validity of the PSI are indicated.
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