Temperament is important for considering differences among diagnostic groups and for understanding individual differences that predict problematic behavior. Temperament characteristics, such as negative affectivity, effortful control, and surgency (highly active and impulsive), are predictive of externalizing behavior in typically developing…

Analysis of MMPI test differences between 120 aged inmates (age 60 and above) and a representative population sample of 2,551 male inmates revealed that the mean test profiles of both groups were indicative of a behavior disorder, with aged inmates presenting more neurotic and less psychopathic responses.

A principal axis factor analysis of 58 occupational and nonoccupational scales of Form T of the Strong Vocational Interest Blank (SVIB) was performed using data of 1068 males representing a wide range of age and socioeconomic status groups. Both occupational groupings and personality correlates showed substantial agreement with Holland's (1966)…