Netflix·Data Scientist·Technical Phone Screen
- Why is a standardized mean difference of 0.1 or below commonly used as the balance threshold in propensity score matching?
- If logistic regression isn't the right fit for the propensity score model, what alternatives would you use and why?
- After matching, how would you diagnose whether residual confounding is still a problem?
- Walk through one method for estimating the variance of the treatment effect under propensity score matching.
“I knew the answer but fumbled the explanation a bit.”