= Matching (statistics)
{wiki=Matching_(statistics)}
In statistics, "matching" refers to a technique used in observational studies and experiments to control for confounding variables when estimating causal effects. The main goal of matching is to create comparable groups that differ only in the treatment or intervention of interest, thus reducing bias in the estimation of treatment effects. There are several common forms of matching: 1. **Propensity Score Matching (PSM):** This is one of the most widely used methods.
Back to article page