Resources As a part of promoting sustainable growth in international development, we provide evaluation and synthesis resources for policymakers, researchers, implementers and users of rigorous high-quality evidence in decision-making. 3ie Development Evidence Portal This repository is an extensive compilation of impact evaluations, systematic reviews, and evidence gap maps in international development. How-to videos 3ie experts use a simple step-by-step approach for explaining and applying theoretical concepts in evaluation design, implementation and evidence use. Impact evaluation glossary 3ie has developed this glossary of impact evaluation terms to help clarify frequently used concepts and methods to help promote a common vocabulary. International Development Coordinating Group The IDCG is a multidisciplinary network of researchers, policymakers, practitioners and funders. Journal of Development Effectiveness The Journal of Development Effectiveness publishes papers reporting evidence of impact of development interventions. PIR Methods Menu prototype This user tool is designed to help development evaluators and practitioners choose the right evidence approach(es) for their program phase, context, and needs. Publications We maintain a range of free online publications. Registry for International Development Impact Evaluations RIDIE is a prospective registry of impact evaluations of development policies and programmes in L&MICs. Video lectures In this series, 3ie experts provide a simple overview of core concepts in impact evaluations systematic reviews and evidence use, drawing on examples from multiple sectors.