The heterogeneity of treatment non-completers : Hétérogénéité des délinquants ayant abandonné leur traitement

The purpose of the current research was to explore the extent to which various types of non-completers differ from each other and from completers in terms of their risk, criminogenic need (a.k.a. [...] The purpose of the current research was to explore the extent to which various types of non-completers differed from each other and from program completers on measures of risk, criminogenic need, and motivation for intervention. [...] This presents an obstacle to one of the principles of effective offender rehabilitation, the risk principle, in which intensity of treatment should be matched to the level of risk posed by an offender (Andrews & Bonta, 2003). [...] Researchers do not know which or how many of the offenders in the no-treatment group would have failed to complete had they been given the chance to take the program and, thus, the would-be non-completers cannot be removed from the comparison group. [...] The purpose of the current research was to explore the extent to which various types of non- completers differed from each other and from completers on measures of risk, criminogenic need, and motivation for intervention.