Managing large-scale surveys: best practices for data collection preparation

Our team is evaluating India’s National Rural Livelihoods Mission (NRLM)—one of the world’s largest poverty alleviation programs. The study spans nine states of the country: Uttar Pradesh, Bihar,…

Reaching SDG 5: Breaking down gender barriers to build lasting solutions

Progress to achieve gender equality by 2030 – the 5th Sustainable Development Goal – has stalled. The pandemic set back gains that had been made toward equality, and gender disparities remain…

Mind the Gap: Cost evidence in development impact evaluations

Cost-effectiveness evidence can guide decision-making by showing which interventions offer the highest value for money, critical in an era of diminished resources for development. But, despite…

Updating the rigorous evidence base on food security interventions in humanitarian settings

In 2022, 3ie published an Evidence Gap Map (EGM) of impact evaluations and systematic reviews of emergency food security interventions. Since then, the need for our easily accessible evidence…

El Niño’s grip on the Indo-Pacific: declining agricultural productivity and wider socio-economic consequences

As we approach mid-2025, it may be easy to forget last year’s record global weather anomalies associated with global warming and the recent El Niño event. This cyclical phenomenon occurs in the…