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CO-AUTHOR(S)

Howard White; Shagun Sabarwal
Quasi-Experimental Design and Methods: Methodological Briefs - Impact Evaluation No. 8
LANGUAGE:
English
OTHER LANGUAGES:
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ABSTRACT

Quasi-experimental research designs, like experimental designs, test causal hypotheses. Quasi-experimental designs identify a comparison group that is as similar as possible to the intervention group in terms of baseline (pre-intervention) characteristics. The comparison group captures what would have been the outcomes if the programme/policy had not been implemented (i.e., the counterfactual). The key difference between an experimental and quasi-experimental design is that the latter lacks random assignment.
SERIESMethodological Briefs
SERIES No. 8
DATE OF PUBLICATION2014
PAGES16