Personality from a realist’s perspective: Personality traits, criminal behaviors, and the externalizing spectrum

Reviews ways in which the author’s program of research has been influenced by Tellegen’s (1991) conceptualization of personality traits as both real and biologically based entities. Analyses of longitudinal-epidemiological data on personality and criminal behavior indicate that personality measures and measures of criminal behavior can be conceived of as indicators of a latent, stable propensity to act in an unconstrained manner. In addition, an unconstrained personality style, substance dependence, and antisocial behavior can be modeled as indicators of a highly heritable propensity towards “externalizing” or acting-out behaviors, with environmental factors playing a key role in determining the specific way in which this general, heritable externalizing propensity is expressed. Such research outlines the value of concepts from personality psychology in understanding consequential behaviors in the population at large.