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…

Investigated the empirical derivation of clinically and theoretically meaningful subtypes among males arrested for driving while intoxicated. Five subtypes were defined through cluster analysis of driving--attitudinal, personality, and hostility measures. Two subtypes were found to have particularly high levels of risk-enhancing traits. (Author)

Recent approaches to empirical derivation and validation of alcoholic subtypes which involve cluster analysis wihin a single multivariate assessment domain have been questioned. To investigate more clinically meaningful subtypes in a sample of 245 male alcoholics, cluster analysis was performed on a combination of variables from four assessment…

Family functioning of 411 incarcerated male juvenile delinquents (aged 12-16 years) was studied using the Family Environmental Scale. A typology of family social environments was developed using cluster analysis. Delinquents with the most serious behavioral difficulties come from family environments with few strengths and openly expressed conflict…