Research suggests that, to narrow the gender gap in engineering, we should focus on helping young girls identify with engineering both because gendered attitudes emerge around kindergarten and because identity is more predictive than performance on persistence in the field. This qualitative study sought to understand the impact of collaborative…

We assessed the effectiveness of a culturally grounded, multimedia, sexual risk reduction intervention called Circle of Life (mCOL), designed to increase knowledge and self-efficacy among preteen American Indians and Alaska Natives. Partnering with Native Boys and Girls Clubs in 15 communities across six Northern Plains reservations, we conducted…

So far, empirical evidence regarding the effects of extended education on externalizing behavior is mixed. To explore possible moderators, multilevel-analyses were conducted in a longitudinal sample of 492 students from 51 all-day schools in Switzerland. No main effects of utilization intensity, interaction quality and externalizing behavior in…

Evidence regarding the effectiveness of after-school programs (ASPs) for reducing problem behaviors is mixed. Unstructured ASPs may increase antisocial behavior by increasing "deviancy training" opportunities, when peers reinforce deviant attitudes and behaviors. This research analyses approximately 3000 five-minute intervals from 398 observations…

This study assessed the effects of attending an after-school program (ASP) on a range of outcomes for middle school youths. The program operated for 9 hr per week for 30 weeks and included attendance monitoring and reinforcement, academic assistance, a prevention curriculum, and recreational programming. Participants were 447 students randomly…

Out-of-school time programs can provide valuable supports to the positive development of children and youth. These programs can help cultivate social and emotional skills, and further students' academic achievements. Furthermore, the safe environment provided by out-of-school time programs can offer children and youth, especially those living in…