Matching Pfps For Besties Matching as nonparametric preprocessing for reducing model dependence in parametric causal inference political analysis 2007 misunderstandings among experimentalists and observationalists about causal inference journal of the royal statistical society series a 2008

In the statistical analysis of observational data propensity score matching psm is a statistical matching technique that attempts to estimate the effect of a treatment policy or other intervention by accounting for the covariates that predict receiving the treatment