The present study investigated the factor structure underlying responses to a measure of psychological type, the Personal Preferences Self-Description Questionnaire (PPSDQ). Measures of psychological type have been extremely useful in various applications, including career counseling and in assessing learning styles. Subjects were 422 university…

The development of the Depression Proneness Rating Scale (DPRS) and three investigations into its reliability, validity, and factor structure are described. Subjects of all three studies were university undergraduates. The first study (n=100) found a stability coefficient of 0.82 for the DPRS over a test-retest (Time 1-Time 2) interval of 9 weeks.…