Evidence-gap maps present a new addition to the tools available to support evidence-informed policy making. Evidence-gap maps are thematic evidence collections covering a range of issues such as maternal health, HIV/AIDS, and agriculture. They present a visual overview of existing systematic...

We provide a ‘how to’ guide to undertake systematic reviews of effects in international development, by which we mean, synthesis of literature relating to the effectiveness of particular development interventions. Our remit includes determining the review's questions and scope, literature...

This is a list of impact evaluations of interventions in low-income and middle-income countries published between January and September 2010, and not previously listed in this year's volume (Journal of Development Effectiveness, Volume 2, Issues 1-3). If you would like to submit a newly...

Thus far, most systematic reviews commissioned to inform international development policy have focused on questions of ‘what works’, drawing on experimental and quasi-experimental studies of the effects of interventions. This article argues that systematic review methods can be applied to...

How best to provide effective protection for the poorest against the financial risks of ill health remains an unanswered policy question. Community-based health insurance (CBHI) schemes, by pooling risks and resources, can in principal offer protection against the risk of medical expenses, and...

Substantial and increasing amounts of funding are available for climate change interventions. This paper argues that to ensure effective allocation of these resources, the selection and design of climate change mitigation and adaptation interventions should be based on evidence of what works,...

Theory-based systematic reviews, which summarise evidence on what works, when and why, strive for greater policy relevance. Reviews that answer these questions adopt a mixed methods approach and draw on a range of study types. Answering the ‘what works’ and ‘what doesn't’ questions means...

Substantial and increasing amounts of funding are available for countries to undertake climate change interventions. This article argues that to ensure effective allocation of these resources, the selection and design of climate change mitigation and adaptation interventions should be based on...

This article presents a synthetic review of impact evaluations examining the effectiveness of community-driven development (CDD) and curriculum interventions in improving social cohesion in sub-Saharan Africa. The review found weakly positive impacts of CDD and curriculum interventions on social...

This paper presents a synthetic review of impact evaluations examining effectiveness of water, sanitation, and hygiene interventions in reducing diarrhoea among children. The evaluations were conducted in 35 low- and middle-income countries during the past three decades. The paper challenges the...