{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,1]],"date-time":"2026-08-01T00:43:41Z","timestamp":1785545021065,"version":"3.56.0"},"reference-count":48,"publisher":"JMIR Publications Inc.","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JMIR Res Protoc"],"abstract":"Abstract<\/jats:title>\n \n Background<\/jats:title>\n Community and youth violence are pervasive and have devastating health, economic, and social consequences. Violence too often impacts people of color and the life trajectories of youth in the United States, especially among people living in urban settings.<\/jats:p>\n <\/jats:sec>\n \n Objective<\/jats:title>\n \n In response, this study aims to evaluate the effectiveness of a novel\n Community Resiliency Collective Efficacy Intervention<\/jats:italic>\n (\n CRCEI<\/jats:italic>\n ), which seeks to increase individual and neighborhood levels of collective efficacy, and reduce youth and community violence. The CRCEI has three phases: (1) community organizing and mobilization (engaging and working with diverse community members and collaborators to build capacity, plan, and recruit); (2) collective efficacy training (learning, discussing, and practicing relationship building, and facilitating thriving, resiliency, and strategies for organizing and intervening); and (3) community-based prevention projects (based on what participants learn in the training).\n <\/jats:p>\n <\/jats:sec>\n \n Methods<\/jats:title>\n The study was set in 8 urban, high-violence, racially segregated, and economically disadvantaged neighborhoods in Pittsburgh, Pennsylvania. Community partners and researchers selected 4 intervention sites based on perceived need and appropriateness. We then used participatory propensity score matching to select 4 comparison sites, which receive health education sessions in lieu of the CRCEI. The study assesses the impact of the CRCEI on participant-level collective efficacy and exposure to community violence (aim 1), community-level collective efficacy, and incidence of community violence (aim 2) via several data sources, including pre- and postsurveys with participants and community members, quantitative and qualitative data from observations and interviews, and secondary neighborhood-level data (eg, violence incidents and poverty rate). Data for aim 1 were collected from February 2023 to January 2025, and data for aim 2 were collected from September 2022 to May 2025. We complemented this impact analysis with an ethnographic process evaluation, which tracks fidelity and costs, describes implementation, and identifies facilitators and barriers across the intervention sites (aim 3).<\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n We hypothesize that the CRCEI will provide a concrete, action-focused strategy to increase resiliency and reduce community and youth violence, with impact demonstrated by increased reports of collective efficacy and decreased exposure to violence at the individual (aim 1) and community levels (aim 2).<\/jats:p>\n <\/jats:sec>\n \n Conclusions<\/jats:title>\n Innovations of this project include testing a community-oriented and collective efficacy\u2013oriented violence reduction intervention (vs criminal-legal and punishment-oriented strategies), implementation in participatorily identified and asset-mapped local settings (eg, neighborhoods for inclusion and community partners to host the intervention identified by community members as trustworthy), a capacity-building approach (eg, training facilitators from focal neighborhoods), and community member integration into collaborative team science. 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