Empirical cluster analysis methods have been the basis for development of a phenomenological classification of depressive disorders. Verbal descriptions of the distinguishing features of anxious, hostile, agitated, and retarded subtypes of depression are provided to facilitate development of clinical classification concepts. A review of validity…

Obtained a factor analysis of demographic and behavioral variables from self-ratings and observations of trained raters on a sample of 200 incarcerated delinquents, which resulted in eight identifiable factors. Results provide understanding of the relationships and disparities between self-ratings, the ratings of others, and demographic variables.…

Identified five types of violent criminals (N=110) using cluster analysis of Minnesota Multiphasic Personality Inventory scores, and compared them on 24 sociological and behavioral variables. Results showed differences on 16 items including family history, drug and alcohol use, events preceding the crime, and relationship between offender and…