“…Maughan et al (2005) reported an effect size of d = 0.28 for studies involving randomized controls and d = 0.73 effect size among less rigorous, uncontrolled studies. Among their sample of 79 studies, BPT was found to be effective for reducing externalizing and disruptive behaviors in (2000) Youth displaying antisocial behavior 11.5 Majority male N/G Bradley and Mandell (2005) Children diagnosed with oppositional N/G N/G N/G defiant disorder Conner, Glatt, Lopez, Jackson, Youth with ADHD displaying overt 9.7 Majority male N/G and Melloni (2002) or covert aggression-related behavior Derzon and Lipsey (2002) Youth between 9 and 19 N/G N/G N/G DuBois, Holloway, Valentine, "At-risk youth" < 19 Majority male N/G and Cooper (2002) Garrett (1985) Adjudicated delinquent youth living 15.8 Majority male Majority "mixed in residential treatment ethnicity" Gonzalez et al (2004) Children and adolescents in any setting < 18 N/G N/G Landenberger and Lipsey (2005) Juvenile offenders N/G Majority male N/G Latimer (2001) "Young offenders" Lipsey (1992) Juvenile delinquents N/G N/G N/G Lipsey and Wilson (1998) Serious juvenile offenders N/G Majority male 39% Caucasian, 14% Black, 2% Hispanic, 22% Mixed Maughan, Christiansen, Jenson, Parents of children with N/G N/G N/G Olympia, and Clark (2005) externalizing behavior disorders McCart, Priester, Davies, Youth in treatment for at least one N/G N/G N/G and Azen (2006) form of antisocial behavior Reitzell and Carbonell (2006) Juvenile sex offenders 14.6 Majority male 41% "minority race" Robinson, Smith, Miller, Children and youth with hyperactivity-N/G 90% male N/G and Brownell (1999) impulsivity and aggression Shadish et al (1993) Youth with conduct disorder N/G N/G N/G Stage and Quiroz (1997) Children and adolescents in public N/G Majority male Majority African education settings American Vaughn and Howard (2004) Youth in substance abuse treatment N/G N/G Majority Caucasian D. B. Wilson, MacKenzie, Adjudicated juvenile delinquents N/G Majority male N/G and Mitchell (2005) in boot camp S. J. Wilson and Lipsey (2000) Delinquent (2007) Note: N = 26.…”