Timing and Duration of Exposure in Evaluations of Social Programs

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dc.creatorKing, Elizabeth M.
dc.creatorBehrman, Jere
dc.date2012-03-30T07:12:34Z
dc.date2012-03-30T07:12:34Z
dc.date2009-03-30
dc.date.accessioned2026-07-01T01:20:42Z
dc.descriptionImpact evaluations aim to measure the outcomes that can be attributed to a specific policy or intervention. While there have been excellent reviews of the different methods for estimating impact, insufficient attention has been paid to questions related to timing: How long after a program has begun should it be evaluated? For how long should treatment groups be exposed to a program before they benefit from it? Are there time patterns in a program's impact? 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.
dc.formatapplication/pdf
dc.identifierWorld Bank Research Observer
dc.identifier1564-6971
dc.identifierhttps://hdl.handle.net/10986/4424
dc.identifierhttps://doi.org/10.1596/4424
dc.identifier.urihttp://hdl.handle.net/123456789/417239
dc.publisherWorld Bank
dc.relationWorld Bank Research Observer
dc.rightsCC BY-NC-ND 3.0 IGO
dc.rightshttp://creativecommons.org/licenses/by-nc-nd/3.0/igo/
dc.rightsWorld Bank
dc.subjectaged
dc.subjectchild development
dc.subjectcommunity participation
dc.subjectcrime
dc.subjectexercises
dc.subjectfamilies
dc.subjectfamily planning
dc.subjecthospitals
dc.subjectimmunization
dc.subjectinformation campaigns
dc.subjectintervention
dc.subjectmedicines
dc.subjectmigration
dc.subjectnutrition
dc.subjectsiblings
dc.subjectsocial marketing
dc.subjectsocial networks
dc.subjectsocial services
dc.subjectvaccination
dc.subjectworkers
dc.titleTiming and Duration of Exposure in Evaluations of Social Programs
dc.typeJournal Article
dc.typeArticle de journal
dc.typeArtículo de revista

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