“…However, it is doubtful the differences in age can discount the present results, as there is no empirical evidence connecting younger inmates with improvements in these measures. In fact, studies specific to criminal infractions have found that younger inmates incur more infractions than older inmates (Faily, Roundtree, & Miller, 1980;Flanagan, 1983). Nonetheless, selection bias is a potential confound, which should be addressed in future research.…”