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...
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ПОДРОБНАЯ ИНФОРМАЦИЯ
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2009/02/01
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Журнальная статья
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76792
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1
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1
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2013/04/23
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Disclosed
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Timing and duration of exposure in evaluations of social programs
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early childhood development program
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