Propensity score matching

A matching method. See also Prognostic score

• https://en.wikipedia.org/wiki/Propensity_score_matching
• The unofficial google data science blog: To Balance or Not to Balance?

Gary King argues that Propensity score matching method shouldn’t be used in most cases; see Gary King: Matching methods and Gary King, “Why Propensity Scores Should Not Be Used for Matching”.

Rosenbaum2022propensity

• Arnold Foundation and Vera Institute argue about a study of the effectiveness of college education programs in prison by Andrew Gelman

Eckles2021bias reports that in practice, when many factors are adjusted and matched, Causal inference with observational data can yield more or less the same results as Randomized controlled trial.

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