Dr. Chu asks her prospective
participants, "Do you understand what we are asking you to do for
this research?" This is the best way to assess their understanding.
The correct answer is:
Dr. Chu is not using an open-ended question. A better way to ask this question would be: "I want to be sure that I'm thorough in my explanation of the study. Can you describe for me what you think will be asked of you during this study?"