“…Behavior analytic principles of operant and respondent conditioning serve as the core for a host of effective interventions for a diverse array of problems. Meeting the APA guidelines for either a well established or promising practice (O'Donohue & Ferguson, 2006) in areas such as addictions (Milford, Austin, & Smith, 2007; Petry Alessi, Hanson & Sierra, 2007; Smith, Milford, and Meyers, 2004; Schumacher Milby, Wallace, Meehan, Kertesz, Vuchinich, Dunning, Usdan, 2007), autism (Matson & Smith, 2008), chronic pain (Romano, Jensen, Turner, Good & Hops, 2000; Sanders, 2006), depression (Spates, Pagoto, & Kalata, 2006) and sex offenders (Marshall, Jones, Ward, Johnston, & Bambaree, 1991). In the area of crime, behavior analytic procedures have been found to have the largest effective size with cognitive components adding little or nothing to the overall base behavioral interventions to recidivism reduction (Illescas, S.R., Sánchez-Meca, and Genovés, 2001).…”