The use of research evidence in policymaking or programme design is not a straightforward process. Beryl Leach cuts through the complexities of the issue and gives practical pointers on how research uptake can be increased.

In this video, 3ie's Hugh Waddington explains why meta-analysis is one of the most appropriate methods for decision-makers to use in policymaking.

3ie’s evidence gap maps provide a graphical and colourful display of areas with strong, weak or non-existent evidence on the effects of development programmes.

Randomised impact evaluations generate rigorous evidence on the impact of a programme. In this video, Professor Howard White explains the different designs of a randomised evaluation and how it is possible to choose the right design for an intervention.