Date published: 2008 Share This guide sets out principles for impact evaluation of social and economic development programs. Download main report file Download file Resource collections Evaluating humanitarian action Monitoring and Evaluation (M&E) Monitoring of humanitarian action Use of evaluation evidence You might also like Presentation The counterfactual Howard White International Initiative for Impact Evaluation 2014 3iE - International Initiative for Impact Evaluation Evaluations and Lessons Learned Guidance and Tools Presentation Experimental Methods for Impact Evaluation March 2013 3iE - International Initiative for Impact Evaluation Evaluations and Lessons Learned Guidance and Tools