Timing and Duration of Exposure in Evaluations of Social Programs
Impact 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...
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| Format: | Journal Article |
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World Bank
2012
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| Online Access: | http://hdl.handle.net/10986/4424 |
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okr-10986-44242021-04-23T14:02:17Z Timing and Duration of Exposure in Evaluations of Social Programs King, Elizabeth M. Behrman, Jere aged child development community participation crime exercises families family planning hospitals immunization information campaigns intervention medicines migration nutrition siblings social marketing social networks social services vaccination workers Impact 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. 2012-03-30T07:12:34Z 2012-03-30T07:12:34Z 2009-03-30 Journal Article World Bank Research Observer 1564-6971 http://hdl.handle.net/10986/4424 CC BY-NC-ND 3.0 IGO http://creativecommons.org/licenses/by-nc-nd/3.0/igo/ World Bank World Bank Journal Article India Indonesia Bolivia Mexico |
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Digital Repository |
| institution_category |
Foreign Institution |
| institution |
Digital Repositories |
| building |
World Bank Open Knowledge Repository |
| collection |
World Bank |
| topic |
aged child development community participation crime exercises families family planning hospitals immunization information campaigns intervention medicines migration nutrition siblings social marketing social networks social services vaccination workers |
| spellingShingle |
aged child development community participation crime exercises families family planning hospitals immunization information campaigns intervention medicines migration nutrition siblings social marketing social networks social services vaccination workers King, Elizabeth M. Behrman, Jere Timing and Duration of Exposure in Evaluations of Social Programs |
| geographic_facet |
India Indonesia Bolivia Mexico |
| description |
Impact 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. |
| format |
Journal Article |
| author |
King, Elizabeth M. Behrman, Jere |
| author_facet |
King, Elizabeth M. Behrman, Jere |
| author_sort |
King, Elizabeth M. |
| title |
Timing and Duration of Exposure in Evaluations of Social Programs |
| title_short |
Timing and Duration of Exposure in Evaluations of Social Programs |
| title_full |
Timing and Duration of Exposure in Evaluations of Social Programs |
| title_fullStr |
Timing and Duration of Exposure in Evaluations of Social Programs |
| title_full_unstemmed |
Timing and Duration of Exposure in Evaluations of Social Programs |
| title_sort |
timing and duration of exposure in evaluations of social programs |
| publisher |
World Bank |
| publishDate |
2012 |
| url |
http://hdl.handle.net/10986/4424 |
| _version_ |
1764391299060858880 |