This Department for International Development (DFID) UK working paper is fantastic – so useful to have a summary of impact evaluation set out so clearly.

DFID Working Paper 38. Broadening the range of designs and methods for impact evaluations. Download PDF here or link to the paper on the DFID website here

This report brings together the findings and conclusions of a study on Impact Evaluation (IE) commissioned by DFID. It comprises an executive summary and 7 chapters:

• Introducing the study
• Defining impact evaluation
• Choosing designs and methods
• Evaluation questions and evaluation designs
• Programme attributes and designs
• Quality assurance
• Conclusions and next steps