Latent structure of a two-dimensional model of antisocial personality disorder: construct validation and taxometric analysis.

Indicators from three different self-report measures-the Psychological Inventory of Criminal Thinking Styles (PICTS), the Levenson Self-Report Psychopathy (LSRP) scale, and the Antisocial Features (ANT) scale of the Personality Assessment Inventory-were organized into two dimensions, proactive and reactive, and subjected to construct validation and taxometric analysis in 637 male medium and maximum security inmates. Using three nonredundant and relatively independent taxometric procedures, mean above minus below a cut (MAMBAC), maximum eigenvalue (MAXEIG), and latent mode factor analysis (L-Mode), consistent evidence of dimensional latent structure was discerned for the proactive and reactive dimensions of antisociality, both of which correlated moderately with a measure of antisocial personality disorder. It is reasoned that the two-dimensional model may eventually be capable of bridging the gap between childhood aggression and adult criminality as well as provide guidance to clinicians working with criminal offenders.