Propensity Scoring Is Often Preferred When Using a Matching Design

Multiple Choice

Propensity scoring is often preferred when using a matching design for all of the following reasons, EXCEPT:

A) propensity score matching controls for extraneous variables even if they are not measured
B) the assumptions about the data are more relaxed for propensity score analyses
C) propensity scores control for several covariates simultaneously
D) matching is not determined after assignment to treatment conditions has been determined