Magpi (formerly EpiSurveyor) is a Mobile Data Collection platform widely used in the international development sector. There are both free and premium versions, and registration is free.
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This checklist, created by the Centers for Disease Control and Prevention (CDC), helps you to assess potential evaluation questions in terms of their relevance, feasibility, fit with the values, nature and theory of change of the program, and the level of stakeholder engagement.
This paper from the International Development Evaluation Association (IDEAS) provides a range of core competencies that evaluation managers and evaluators should possess wherever they work. The competencies were developed as part of a lengthy review, conducted by IDEA which sought to identify a clear set of competencies and criteria for judging the knowledge, skills, and abilities of evaluators in the international development field.