The successful use of a proxy variable to control for a confounding factor will allow you to accomplish all of the following except:
A) consistently estimate the treatment effect of interest.
B) limit the endogeneity problem associated with the confounding factor.
C) uncover the size of the semi-partial correlation of the confounding factor and the outcome.
D) conduct appropriate hypothesis testing for the treatment effect of interest.

Question

Quizplus · Accepted Answer

The use of a proxy variable to control for a confounding factor may reveal the size of the semi-partial correlation between the confounding factor and the outcome, but it does not necessarily allow for this information to be uncovered. The other options are all potential benefits of using a proxy variable to control for a confounding factor.

The Successful Use of a Proxy Variable to Control for a Confounding