Trajectories of Self-Control and Deviance From Adolescence to Midlife, Representative and Adjudicated Men

Marc LeBlanc, University of Montreal
Julien Morizot, Universite de Montreal

Self-control is postulated stable by control theorists. The development of personality is now better known through a variable-centered approach with longitudinal studies undertaken with different kind of samples. Research must now turn to the tsk of identifying different trajectories of development of self-control through person-centered analyses. In this paper, we report developmental types of self-control derived through longitudinal cluster analysis with Five-Factor Model measures. Data from an ongoing 25 years prospective longitudinal study comparing conventional and adjudicated men from adolescence to midlife are used. Different clustering algorithms were tested and internal validation measures were calculated in order to identify the adequate number of clusters in each sample. Four developmental types of self-control were derived in the conventional men sample, which were named Normative maturation, Progressive maturation, Delayed maturation, and Blocked maturation. Four developmental types were also identified in the adjudicated men sampl: Normative maturation, Accelerated maturation, Maladjusted-Blocked maturation, and Cyclical maturation. In order to assess the external validity of these developmental types, they were compared on measures of antisocial behavior (general delinquency, serious/violent delinquency, and substance abuse). Each trajectory has specific and graduated antisocial outcomes at 15, 17, 30, and 40 years old/

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Updated 05/20/2006