2008, English, Article, Working paper edition: Timing and duration of exposure in evaluations of social programs [electronic resource] / Elizabeth M. King, Jere R. Behrman. King, Elizabeth M.

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Bookmark: http://trove.nla.gov.au/version/33721808
Published
  • [Washington, D.C. : World Bank, 2008]
Language
  • English

Edition details

Title
  • Timing and duration of exposure in evaluations of social programs /​ Elizabeth M. King, Jere R. Behrman.
Author
  • King, Elizabeth M.
Other Authors
  • Behrman, Jere R..
  • World Bank
Published
  • [Washington, D.C. : World Bank, 2008]
Medium
  • [electronic resource]
Series
Subjects
Summary
  • "Impact evaluations aim to measure the outcomes that can be attributed to a specific policy or intervention. Although there have been excellent reviews of the different methods that an evaluator can choose in order to estimate impact, there has not been sufficient attention given to questions related to timing: How long after a program has begun should one wait before evaluating it? How long should treatment groups be exposed to a program before they can be expected to benefit from it? Are there important time patterns in a program's impact? Many impact evaluations assume that interventions occur at specified launch dates and produce equal and constant changes in conditions among eligible beneficiary groups; but there are many reasons why this generally is not the case. This paper examines the evaluation issues related to timing and discusses the sources of variation in the duration of exposure within programs and their implications for impact estimates. It reviews the evidence from careful evaluations of programs (with a focus on developing countries) on the ways that duration affects impacts. "--World Bank web site.
Notes
  • Title from PDF file as viewed on 5/​20/​2009.
  • Includes bibliographical references.
  • Also available in print.
Technical Details
  • System requirements: Adobe Acrobat Reader.
  • Mode of access: World Wide Web.
Language
  • English
Libraries Australia ID
Contributed by
Libraries Australia

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