Sue LukersmithLuis Salvador‐CarullaCourtney G. WoodsTheo NiyonsengaMencía R. Gutiérrez-ColosíaItismita MohantyCarlos R. García‐AlonsoDiego Díaz-MilanésJenny PerezR.B. Davey2026-03-222026-03-22202510.1016/j.comppsych.2025.152578https://doi.org/10.1016/j.comppsych.2025.152578https://andeanlibrary.org/handle/123456789/46436Citaciones: 4The complexity and heterogeneity of Projects implemented in the real world continues to present significant evaluation challenges and limitations for project leads, stakeholders, researchers and evaluators. Our ecosystem approach and novel evaluation methodology will reduce the uncertainty around real world implementation, provide key learnings for project stakeholders and more broadly implementation researchers.enPsychological interventionEnvironmental healthPsychologyEnvironmental resource managementMedicineAn ecosystem approach to the evaluation and impact analysis of heterogeneous preventive and/or early interventions projects for veterans and first responders in seven countriesarticle