Problem
A. Discuss what was missing, type of data, cases, variables, and how much.
B. What was the pattern of missingness if any?
C. What strategy was used to address the missing data? Was it appropriate, and did the researchers explain why this method was used, if not, why do you think researchers used it?
D. Do you have any concerns with the results given the missing data, how it was reported and addressed? Explain.
E. What is the Intent to-treat analysis? Why is this approach used?