Difference between revisions of "Propensity Score Matching"
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'''Propensity Score Matching''' is a quasi-experimental impact evaluation technique which attempts to estimate the effects of a treatment by matching control group participants to treatment group participants based on propensity score(predicted probability of participation based on observed characteristics). This is done to reduce the [[Selection Bias]] that may be present in non-experimental data. | '''Propensity Score Matching''' is a quasi-experimental impact evaluation technique which attempts to estimate the effects of a treatment by matching control group participants to treatment group participants based on propensity score(predicted probability of participation based on observed characteristics). This is done to reduce the [[Selection Bias | selection bias]] that may be present in non-experimental data. | ||
Revision as of 19:05, 24 January 2017
Propensity Score Matching is a quasi-experimental impact evaluation technique which attempts to estimate the effects of a treatment by matching control group participants to treatment group participants based on propensity score(predicted probability of participation based on observed characteristics). This is done to reduce the selection bias that may be present in non-experimental data.
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This article is part of the topic Impact Evaluation Design.