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The Helping to End Addiction Long-Term (HEAL) Prevention Cooperative (HPC) is rapidly developing 10 distinct evidence-based interventions for implementation in a variety of settings to prevent opioid misuse and opioid use disorder. One HPC objective is to compare intervention impacts on opioid misuse initiation, escalation, severity, and disorder and identify whether any HPC interventions are more effective than others for types of individuals. It provides a rare opportunity to prospectively harmonize measures across distinct outcomes studies. This paper describes the needs, opportunities, strategies, and processes that were used to harmonize HPC data. They are illustrated with a strategy to measure opioid use that spans the spectrum of opioid use experiences (termed involvement) and is composed of common "anchor items" ranging from initiation to symptoms of opioid use disorder. The limitations and opportunities anticipated from this approach to data harmonization are reviewed. Lastly, implications for future research cooperatives and the broader HEAL data ecosystem are discussed.

The negative consequences for victims and perpetrators of school violence are significant, multifaceted and, if left unchecked, can have personal costs that may last well into their adult lives. Universal violence preventive interventions may not be sufficiently effective in mitigating problems among middle school youth who exhibit risk of violent behavior. School-based mental health (SBMH) approaches show promise for reducing problems among the minority of youth responsible for violence perpetration, although the impact of teacher-delivered SBMH has been somewhat limited. The present study examines the impact of practitioner-delivered SBMH in middle school settings, with (a) a three-armed randomized controlled trial (RCT) comparing Expanded SBMH and Enhanced SBMH to Standard SBMH and (b) a separate quasi-experiment comparing the three SBMH arms in the RCT to a separate set of non-randomized, non-SBMH schools. SBMH schools who expanded their services saw decreases in aggressive behavior and victimization, across both study structures, that were either statistically significant, meaningful based on Cohen effect size conventions or both. These results suggest that the expansion of practitioner-delivered mental health services to youth who are at risk of violence perpetration, but would otherwise be ineligible for, or unable to afford, services achieves a significant impact on the larger school environment.

This study examined the linkages between negative cognitive errors and anxiety in a sample of children and adolescents referred for anxiety problems (N 251). The Children’s Negative Cognitive Error Questionnaire was used to assess cognitive errors and several self-report measures of anxiety were used to examine the specific linkages between cognitive errors and different aspects of children’s anxiety phenomenology. Results indicated that each of the measures of anxiety (i.e., trait anxiety, manifest anxiety, and anxiety sensitivity) were significantly related to each of the cognitive errors examined (i.e., catastrophizing, overgeneralization, personalizing, and selective