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.

Newest evidence impact summaries

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.

Informing rainfall risk insurance for farmers in Gujarat, India

Evidence impact summary

The evaluation of a rainfall risk insurance programme showed poor awareness and low take-up among farmers due to high premiums, delayed payouts and weakness as a safety net, prompting the implementer to close the programme.

Informing delivery strategies for HIV self-testing kits in Zambia

Evidence impact summary

Citing 3ie evaluation findings, the World Health Organization strongly recommended offering HIV self-testing and noted that misuse, adverse events and social harms associated with self-testing were rare and comparable to standard approaches.

Promoting HIV self-testing among female sex workers in Zambia

Evidence impact summary

The World Health Organization recommended peer-delivered HIV self-tests to increase the uptake and frequency of HIV testing among female sex workers and other key populations, citing 3ie evaluations.