The Development Evidence Portal
The Development Evidence Portal (DEP) is the world’s largest database of impact evaluations and systematic reviews on interventions to improve lives in low- and middle-income countries. It is updated monthly and contains more than 10,000 impact evaluations, systematic reviews and evidence gap maps. The DEP provides advanced searching capabilities and a rich set of options for filtering studies to help you find the evidence you need.
Transparency, Reproducibility and Ethics (TRE) Initiative
Research that generates evidence requires accountability, transparency, and learning. As both an evidence producer and consumer, 3ie sees the research transparency and reproducibility movement as a means to understand and mitigate challenges to the credibility of social science research. Our renewed Transparency, Reproducibility, and Ethics (TRE) Policy is a step towards stronger integration of ethical principles into practice.
Evidence Impact: Taking HIV self-testing from pilot programs to global implementation
The way HIV self-testing moved from pilot programs to worldwide adoption in less than a decade shows how rigorous impact evaluations can make a difference. After substantial investment helped develop evidence on the effectiveness of HIV self-testing, countries are changing policies and offering the self-tests. It shows how evidence-informed decision-making can work in the real world.