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Can we trust shoestring evaluations ?
 
Author:Ravallion, Martin; Collection Title:Policy Research working paper ; no. WPS 5983Paper is funded by the Knowledge for Change Program (KCP)
Country:World; Date Stored:2012/03/05
Document Date:2012/03/01Document Type:Policy Research Working Paper
SubTopics:Poverty Monitoring & Analysis; Scientific Research & Science Parks; Economic Theory & Research; Science Education; Housing & Human HabitatsLanguage:English
Major Sector:Health and other social servicesRel. Proj ID:1W-Subjective Welfare -- -- P058298;
Region:The World RegionReport Number:WPS5983
Sub Sectors:Other social servicesVolume No:1 of 1

Summary: Many more impact evaluations could be done, and at lower unit cost, if evaluators could avoid the need for baseline data using objective socio-economic surveys and rely instead on retrospective subjective questions on how outcomes have changed, asked post-intervention. But would the results be reliable? This paper tests a rapid-appraisal, "shoestring," method using subjective recall for welfare changes. The recall data were collected at the end of a full-scale evaluation of a large poor-area development program in China. Qualitative recalls of how living standards have changed are found to provide only weak and biased signals of the changes in consumption as measured from contemporaneous surveys. Importantly, the shoestring method was unable to correct for the selective placement of the program favoring poor villages. The results of this case study are not encouraging for future applications of the shoestring method, although similar tests are needed in other settings.

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