The first article in this two-part series (Sulkowski & Picciolini, 2018) described how youth become radicalized or join violent extremist groups. In lieu of becoming ideologically brainwashed or proselytized, most youth join radicalized or extremist groups to help establish a sense of identity, community, and purpose, which are basic human…

A biopsychosocial model of the development of adolescent chronic conduct problems is presented and supported through a review of empirical findings. The model posits that biological dispositions and sociocultural contexts place certain children at risk in early life but that life experiences with parents, peers, and social institutions increment…

Considered are the developmental and prognostic implications of early peer relations. Evidence concerning peer difficulties as risk factors is reviewed along with research dealing with family relations and peer relations in social development. In preference to a stepping-stone model of the development of social deviance, a conjunctive feedback…

This study examined antecedents to early patterned alcohol and tobacco use and marijuana experimentation between ages 11 and 16 for an at-risk male sample. Findings suggested that family, peer, and child characteristics were inextricably connected within an ecology of development. A structural equation prediction model suggested a higher order…