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Cost-Effectiveness analysis: Three lessons from the Pilot Impact Evaluation in Burundi November 2025 

Cost-Effectiveness analysis: Key lessons from The Gambia school meals impact evaluation October 2025 

Cost-Effectiveness analysis: three strategies to overcome common challenges October 2025 

Measuring for impact: a framework for school meal programmes June 2025 

Five key questions before starting an impact evaluation October 2024 

From theory to practice in impact evaluation: making it work at WFP September 2024 

Why would you ever want an impact evaluation? April 2024 

Experimental evidence in adaptive programming: rapid, cost-effective tools for scale-up February 2024

Three themes in school-based programmes to keep an eye on in 2024, January 2024

Four lessons from a year of the WFP’s School-Based Programme Impact Evaluation Window. November 2022 

Impact of School Feeding Programmes in low and lower-middle income countries: what have we learnt? August 2021

"Lean" impact evaluations: experimental evidence in adaptive humanitarian interventions, July 2021

Improving data quality with digital data collection, July 2018

How to measure women’s empowerment so that it reflects the views and opinions of all women interviewed in a study, July 2018

Findings from a meta-analysis of women’s empowerment projects, December 2017 

How do we measure women’s empowerment? May 2017 

What have  we learned about sharing real-time data February 2017 

FAQ: How can I measure household income? (Part 2), February 2017 

FAQ: How can I measure household income? (Part 1), February 2017 

Measuring time: Comparing questionnaire designs, January 2017 

Out in the open: Oxfam’s impact evaluation survey data now available for download, September 2016

Unleash the real geeks, September 2016

March 2020 

February 2020 

February 2020 

October 2019