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With the increased number of schools adopting social-emotional learning (SEL) programming, there is increased emphasis on the role of implementation in obtaining desired outcomes. Despite this, the current knowledge of the active ingredients of SEL programming is lacking, and there is a need to move from a focus on "whether" implementation matters to "what" aspects of implementation matter. To address this gap, the current study utilizes a latent class approach with data from year 1 of a randomized controlled trial of Second Step® (61 schools, 321 teachers, over 7300 students). Latent classes of implementation were identified, then used to predict student outcomes. Teachers reported on multiple dimensions of implementation (adherence, dosage, competency), as well as student outcomes. Observational data were also used to assess classroom behavior (academic engagement and disruptive behavior). Results suggest that a three-class model fits the data best, labeled as high-quality, low-engagement, and low-adherence classes. Only the low-engagement class showed significant associations with poorer outcomes, when compared to the high-quality class (not the low-adherence class). Findings are discussed in terms of implications for program development and implementation science more broadly.

In a randomized controlled trial, we evaluated the effect on tobacco use onset among middle school students of Family Communications (FC) activities designed to mobilize parental influences against tobacco use and Youth Anti-tobacco Activities (YAT) designed to market anti-tobacco norms to adolescents. We conducted a simple, two-condition experimental design in which 40 middle schools, with a prevalence of tobacco use at or above the Oregon median, received, by random assignment, either the intervention or no intervention. State, county, and local prevention coordinators around Oregon served as liaisons to schools. To generate interest, staff made presentations to these groups and distributed marketing packets at several conferences. Dependent variables were indices of smoking prevalence and use of smokeless tobacco (ST) in the prior month. Additionally, we created an intervention manual so that other communities could replicate this study. The findings suggest that efforts to influence parents to discourage their children's tobacco use and efforts to market an anti-tobacco perspective to teens are effective in preventing smoking. The impact of YAT is consistent with experimental and nonexperimental evaluations of media campaigns to influence young people not to smoke.

This paper examines variability in adolescent self-reported behavior at the individual, cohort, and school levels for 8th and 11th graders. We examine four adolescent behaviors: substance use, antisocial behavior, depression, and academic performance. Research staff collected the data as part of the Oregon Healthy Teens survey of a population-based sample of 60,837 adolescents over three years in 92 communities. The results indicate that schools vary over time, but not necessarily systematically, and grade-level cohorts account for important variance within schools. The school and cohort combined, however, accounted for at most 4% of the overall variance. The results have implications for research and practice in schools and communities. For example, selection of communities for interventions based on high levels of adolescent problems may be unproductive if individuals account for at least 96% of the variance. Furthermore, in non-experimental designs, cohort variability, not an intervention, may account for apparent improvement across

This paper reports a randomized controlled trial of the effects of behavioral parenting skills training, social skills training, and supplemental reading instruction on the social behavior of early elementary school children (K through 3). We selected children based on teacher-rated aggressive behavior or reading-skill deficits, delivered the intervention over a 2-year period, and obtained follow-up data for two additional years. The intervention affected only two of eight measures of child functioning--parent daily reports of antisocial behavior and parent ratings of coercive behavior. There was evidence that parents of boys in the intervention condition displayed significantly greater declines in their rated use of coercive discipline than did parents of boys in the control condition.

Children's aggressive behavior and reading difficulties during early elementary school years are risk factors for adolescent problem behaviors such as delinquency, academic failure, and substance use. This study determined if a comprehensive intervention that was designed to address both of these risk factors could affect teacher, parent, and observer measures of internalizing and externalizing problems. European American (n = 116) and Hispanic (n = 168) children from 3 communities who were selected for aggressiveness or reading difficulties were randomly assigned to an intervention or no-intervention control condition. Intervention families received parent training, and their children received social behavior interventions and supplementary reading instruction over a 2-year period. At the end of intervention, playground observations showed that treated children displayed less negative social behavior than controls. At the end of a 1-year follow-up, treated children showed less teacher-rated internalizing and less parent-rated coercive and antisocial behavior than controls. The study's limitations and implications for prevention are discussed.