has question has inclusion question Fred Dowd, Oliver He An object property that represents a relation between a form and a question where the question sets up an inclusion criterion. Specifically, when the answer to the question is Yes, then the candidate fulfills a criterion for being eligible for participating in a study. Note that there might be other criteria that the candidate also need to meet in order to be fully eligible. Meanwhile, if the answer is No, the candidate may still be eligible depending on the other restriction.