Training Materials METHODOLOGIES Causal inference (Spanish) Differences in differences (Spanish) Impact evaluation from start to finish (Spanish) Instrumental variables (Spanish) Matching (Spanish) Measuring impacts: impact evaluation methods (Spanish) Randomized trials (Spanish) Regression discontinuity design (Spanish) SAMPLING Conceptual foundations of scientific sampling(Spanish) Limitations of simple random sampling (Spanish) Power calculations for experimental evaluations (Spanish) Sampling topics relevant to impact evaluations (Spanish) FIELDWORK Calendar and budget (Spanish) Organization of fieldwork (Spanish) Questionnaires and other instruments (Spanish) Surveys: the keys to their design (Spanish) QUALITY AND DATA MANAGEMENT Data management, quality assurance and documentation (Spanish) Surveys: the notion of total quality (Spanish) STATA EXERCISE Exercises: impact evaluation methods (Spanish) Database Answer dofile | Answer logfileWorkshop checklist EXTERNAL CEGA Learning materials Impact evaluation in practice toolkit NBER: Imbens and Wooldridge (2007), "What's New in Econometrics?" SIEF Workshops materials World Bank: health impact evaluation toolkit World Bank: impact evaluation in poverty reduction interventions