“…The particular problem behaviors identified for study were selected based on the theoretical perspectives described above and because they represent both potentially normative and severe risky behaviors. Heavy alcohol use was selected rather than other forms of substance use, such as smoking, because alcohol use is highly correlated with delinquency and violence (Doran, Luczak, Bekman, Koutsenok, & Brown, 2012;White, Conway, & Ward, 2019), yet may also differentiate a subgroup of youth who increasingly engage in alcohol use, but not other forms of risky behavior (Laska, Pasch, Lust, Story, & Ehlinger, 2009;Wu et al, 2010). Peer and dating violence were selected based on cross-sectional research that has found that these behaviors cooccur in some subgroups of youth, but not others, and thus may differentiate trajectory patterns (Garthe, Sullivan, & Behrhorst, 2018;Heinze et al, 2018;.…”