This workshop was held with the technical assistance from MEASURE Evaluation from September 9-13, 2018. The purpose of this workshop was to review the methods for evaluating program impact, with emphasis on the application of longitudinal models for obtaining valid program impact estimates. Eleven participants from icddr,b with knowledge of statistics and empirical analysis as well as experience of managing household survey data sets took part in this training. Each participant worked on their own research projects and examined the application of the methods discussed in the training to their studies.