“…The detailed examination of within-treatment change has been proposed; that is, examining an individual's proximal change within treatment, rather than measuring a time-delayed outcome such as recidivism (Beggs, 2010;Hanson, 1997;Jones & Tatman, n.d.). Moving from a between-groups analysis to a within-person analysis is essential in understanding mechanisms of change, and might provide a more reliable approach of gauging treatment efficacy (Kroner & Yessine, 2013;. Evaluating change, however, requires the use of dynamic variables, which are capable of changing (Andrews & Bonta, 2010).…”