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...

Systematic reviews and meta-analysis have risen in popularity in international development to provide evidence on 'what works'. This paper reports the findings of a meta-analysis to assess the impact of microcredit on women's control over household spending to illustrate the challenges of...

Systematic reviews are currently in high demand in international development. At least 100 new reviews are ongoing or already completed on a range of topics across the board in international development, many of which were commissioned by policy-making agencies. These new reviews need to be...

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...

Although first applied in the medical sciences in the 1970s, systematic reviews have been recently, and increasingly, used in the field of international development to examine the impacts of a range of development and humanitarian interventions. However, to date, there has been only limited...