How Can Development NGOs Be Evaluated ?

Jan Willem Gunning

No P51, Working Papers from FERDI

Abstract: In the past decade there has been a remarkable surge of interest in using impact evaluation to establish the effectiveness of development interventions. The conventional evaluation methods used by development consultants typically rely on simplistic before-after or with-without comparisons. Impact evaluation, by contrast, involves comparing actual outcomes with a formal counterfactual. Any differences between the two can be attributed to the intervention if, and only if, the counterfactual is credible. A conventional before-after comparison fails this test since the “before” situation is obviously not a credible counterfactual: outcomes could have changed over time for reasons unrelated to the intervention.Randomized controlled trials (RCTs) are usually considered the preferred design for impact evaluation, but there are also regression-based techniques such as regression discontinuity designs and regressions in first differences (double differencing).

JEL-codes: L31 (search for similar items in EconPapers)
Date: 2012-10
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Citations: View citations in EconPapers (2)

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Working Paper: How Can Development NGOs Be Evaluated ? (2012)
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