Interest in modeling the structure of latent variables is gaining momentum, and many simulation studies suggest that taxometric analysis can validly assess the relative fit of categorical and dimensional models. The generation and parallel analysis of categorical and dimensional comparison data sets reduces the subjectivity required to interpret…

Factor structure underlying responses to the 373-item MMPI was found to be essentially identical to the factor structure previously defined from analysis of intercorrelations among the first 168 items. (Author)

This article places one of Jerry Wiggins' contributions to the Minnesota Multiphasic Personality Inventory (MMPI), his content scales, in the twin contexts of past and recent research, and of Wiggins' own preoccupations growing out of the interpersonal point of view. It highlights Wiggins' perspective on the position of the person in the process…

To clarify methodological differences, five studies with cluster analysis solutions of 183 Minnesota Multiphasic Personality Inventory (MMPI) profiles of male heroin addicts were critically reviewed. The methodologies used were replicated. A solution using complete linkage with Pearson correlation and recommendations for future cluster analysis…