Case selection for robust generalisation in impact evaluation: lessons from QuIP impact evaluation studies

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Abstract

What wider lessons can be drawn from a single impact evaluation study? This article examines how case study and source selection contribute to useful generalisation. Practical suggestions for making these decisions are drawn from a set of qualitative impact studies. Generalising about impact is a deliberative process of building, testing and refining useful theories about how change happens. To serve this goal, purposive selection can support more credible generalisation than random selection by systematically and transparently drawing upon prior knowledge of variation in actions, contexts, and outcomes to test theory against diverse, deviant and anomalous cases.
Original languageEnglish
Pages (from-to)150-160
Number of pages11
JournalDevelopment in Practice
Volume31
Issue number2
Early online date20 Oct 2020
DOIs
Publication statusPublished - 28 Feb 2021

Keywords

  • Aid–Monitoring and evaluation, Aid effectiveness, Accountability
  • Methods

ASJC Scopus subject areas

  • Geography, Planning and Development
  • Development

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