This study was undertaken to test Dahlstrom's hypothesis that the clinical utility of the Minnesota Multiphasic Personality Inventory (MMPI) could be improved through the use of dimensionally pure personality trait and psychopathological state scales to supplant the present dimensionally complex clinical and validity scales. Results failed to…

The MMPI scales were scored for items appearing only on one scale (nonoverlapping) and for items appearing on more than one scale (overlapping). Overlapping scales significantly corresponded with neuroticism, psychoticism and extraversion while nonoverlapping scales insignificantly corresponded with the same theoretical constructs. (Author/SE)

This study used as source of data the MMPI protocols of 223 psychiatric inpatients randomly divided into two groups for a double cross-validation design, clinical diagnosis of depressive versus nondepressive states as criterion, and multiple regression as the main analytic technique. (Author)

Differences on the MMPI for elopers and non-elopers from a mentally ill offender population were analyzed and a sign approach was developed. Implications of MMPI differences for the psychological status of elopers are described. (Author)