Limitations
ATTRITION
This study has several limitations. First, we used a passive rather than an active control as the comparator, which may have magnified the effect of the intervention. Second, attrition in the completion of the virtual simulation differed among the control and intervention groups, which we attribute to engagement. Attrition could have introduced bias, if missingness was not random. However, we have no reason to believe that this was the case. Third, our observations may lack generalizability because of the characteristics of our convenience sample. Fourth, we did not cluster our analysis at the coach level during this pilot trial but plan to test this potential mediator of effect in the future.