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Our EGMs are thematic collections of information about impact evaluations and systematic reviews that measure the effects of international development policies and programs. They present a visual overview of existing and ongoing studies or reviews in a sector or sub-sector in terms of the types of programs evaluated and the outcomes measured. This evidence is mapped onto this framework, graphically highlighting the gaps, where few or no impact evaluations or systematic reviews exist and where there is a concentration of impact evaluations but no recent high-quality systematic review.

 

How we create our maps

EGM methods draw on the principles and methodologies developed for systematic and transparent evidence review. We consult relevant decision makers and stakeholders, often in the form of an advisory group, to decide on the thematic or sector focus. These consultations are held at the start of the mapping to discuss the scope, questions and framework and to review draft findings at the end of the mapping.

We then conduct a systematic search to identify relevant published and unpublished impact evaluations and systematic reviews, and include both completed and ongoing studies and reviews. We describe characteristics of the evidence base and populate the map framework with studies and their respective links to summaries and, when available, full-text reports. In the case of systematic reviews, we also include a confidence rating of how the review was conducted to help decision makers gauge how much to rely on that evidence.