27.03.2018

At the same time, evaluators should not hesitate to improve systematic testing procedures of single methods to improve the robustness of the overall design. New forms of data collection and analysis raise the bar for possible mixed-method approaches and thus significantly contribute to the further development of future impact evaluation designs.

Martin Noltze is a senior evaluator at the Competence Centre for Evaluation Methodology of the German Institute for Development Evaluation (DEval). He holds a PhD in agricultural economics from Georg August University of Goettingen, Germany. Together with Gerald Leppert and Sven Harten, he is co-ordinating DEval’s methodology project on Integrating Multiple Methods in Complex Evaluations.
Contact: martin.noltze(at)deval.org

Gerald Leppert is a senior evaluator at the Competence Centre for Evaluation Methodology of DEval, holding a PhD in economics and social sciences from the University of Cologne, Germany. Contact: gerald.leppert(at)deval.org

Sven Harten heads the Competence Centre for Evaluation Methodology and is Deputy Director of DEval.