Generalizing Study Results

A Potential Outcomes Perspective

Erratum

We note two typographical issues in our paper.¹ First, equation 5 should be

with the weights inside the brackets. Furthermore, in the Appendix, the inverse probability weighting estimator is written as

which erroneously suggests that the expectation is being taken of

Instead, the intent was to write the inverse probability weighting estimator as

, i.e., with the circumflex accent extending over the entire expectation

.