Explore by type of impact

Research evidence can influence policy and programme decisions in several ways. 3ie has identified seven types of evidence use and impact. Click on the buttons below to see all the summaries that relate to each type. For more information, read how 3ie classifies and verifies evidence impact.

Change in policies or programmes
Change in policies or programmes
Close a programme
Close a programme
Improve the culture of evidence use
Improve the culture of evidence use
Inform discussions of policies and programmes
Inform discussions of policies and programmes
Inform discussions of policies and programmes
Inform global guidelines and policy discussions
Inform the design of other programmes
Inform the design of other programmes
Scale up a programme
Scale up a programme

Newest evidence impact summaries

Informing the global evidence base on food security and nutrition

Evidence impact summary  
The European Commission's Knowledge4Policy portal and the 2021 UN Food Systems Summit brief mention the findings of the 3ie Food Systems and Nutrition Evidence and Gap Map. The Norwegian Agency for Development Cooperation also commissioned a rapid evidence assessment as a result of the findings.

Strengthening rule of law and justice programming at USAID

Evidence impact summary  
USAID’s Rule of Law Policy cites 3ie's evidence gap map (EGM) as a pioneering step to informing its programmatic approach to rule of law and justice reforms.

Scaling up school infrastructure improvements in West Africa

Evidence impact summary  
The 3ie rapid response brief highlighted the positive effects of school infrastructure improvements on primary school students, which informed deliberations within the West African Development Bank (BOAD) to scale up the school infrastructure program in Côte d'Ivoire, Mali, Niger, and Senegal.

Using evidence to strengthen gender equality in fragile contexts

Evidence impact summary  
The German Federal Ministry for Economic Cooperation and Development, BMZ, used findings of a 3ie systematic review to call for a greater focus on addressing gendered social norms.

Strengthening the evidence base for programming and policies on women’s groups

Evidence impact summary  

The findings from a 3ie evidence gap map informed the learning agenda driving the work of the seven-member Evidence Consortium on Women’s Groups co-led by the American Institutes of Research and the Population Council.

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