Background: Research has been inconclusive as to whether stimulant treatment causes or exacerbates sleep problems in adolescents with ADHD. This study examined sleep differences in adolescents with ADHD as a function of stimulant use. Methods: Participants were adolescents with ADHD (N=159, ages 12-14). Parents reported on receipt of stimulant…

The current study assessed whether risk factors associated with vaping were distinct from risk factors associated with other substance use (e.g., alcohol, cannabis) during adolescence. Participants (N = 848, ages 10-16 years) completed a self-report survey to assess frequency and age of onset of substance use, risk perceptions of use, risk factors…

Research is mixed on the common patterns of substance use within a college student population after trauma. Data was collected from students from a mid-sized, Midwestern university. Respondents often reported the use of combinations of medications and drugs that could lead to dangerous effects. Alcohol use was predicted by the substance use…

This occasional paper presents national demographic subgroup data for the 1975-2022 Monitoring the Future (MTF) national survey results on 8th, 10th, and 12th graders' use of drugs, alcohol, and tobacco. The study covers all major classes of illicit and licit psychoactive drugs for an array of population subgroups. The 2020 subgroup data presented…

This study examined the hypothesis, derived from theories highlighting the importance of group harmony and sense of belonging in human relationships, that the adolescents who are most likely to be influenced by their close friends are those who have the highest quality social relationships. Potential moderators of close friend influence on…

South African primary school teachers struggle curtailing student behaviors, therefore impeding teaching and learning. To understand this phenomenon, 15 primary school teachers were interviewed. Findings reveal that students' negative family dynamics, displaced aggression, and social factors influenced challenging behavior. Social cognitive theory…

Although research has established that school adjustment is associated with marijuana use (MU) in adolescence, few studies have tested these associations bidirectionally. Using random intercepts cross-lagged panel modeling, this study examined reciprocal associations between MU and school adjustment across 8th to 10th grade, including the…

Background: Four-day school week (FDSW) use has increased substantially among US districts in recent years, but limited data exist on health impacts of this school schedule. This study examined associations of reduced school exposure via FDSWs with adolescent health and risk behaviors, obesity, and food security. Methods: Self-report data from…

Background: The Pennsylvania Youth Survey (PAYS) is administered biennially to adolescents; it covers knowledge, attitudes, and behaviors about risk and protective factors. Purpose: This study explored 8th, 10th, and 12th grade students' attitudes and beliefs about current trends regarding drugs, alcohol, and mental health. Methods: We asked…

This occasional paper presents national demographic subgroup data for the 1975-2021 Monitoring the Future (MTF) national survey results on 8th, 10th, and 12th graders' use of drugs, alcohol, and tobacco. The study covers all major classes of illicit and licit psychoactive drugs for an array of population subgroups. The 2020 subgroup data presented…

Monitoring the Future (MTF) is an ongoing research program conducted at the University of Michigan's Institute for Social Research under a series of investigator-initiated research grants from the National Institute on Drug Abuse beginning in 1975. The integrated MTF study includes annual surveys of nationally-representative samples of 8th, 10th,…

School discipline is a salient challenge in K-12 districts nationwide. The majority of prior studies have focused on suspensions with relatively little attention paid to other forms of exclusionary discipline. This mixed-methods study provides a descriptive analysis of overlooked disciplinary consequences, namely, assignment to alternative…

Indigenous communities demonstrate immense cultural strengths despite being impacted by mental health and academic disparities due to ongoing systemic racism and historical trauma. Given that schools are a context in which indigenous youths' needs have potential to be met through preventive intervention, this scoping review explores and summarizes…

Indigenous communities demonstrate immense cultural strengths despite being impacted by mental health and academic disparities due to ongoing systemic racism and historical trauma. Given that schools are a context in which indigenous youths' needs have potential to be met through preventive intervention, this scoping review explores and summarizes…

Background: The Theory of Triadic Influence (TTI) provides a comprehensive framework for understanding adolescent substance use. Objectives: We examined mechanisms by which a TTI-guided social-emotional and character development program, "Positive Action" (PA), influences adolescent substance use. Study data come from the PA-Chicago,…