Astudent working on his dissertation plans on interviewing 15 principals in neighboring high schools. the student plans to collect data about the personal experiences the principals have had with disruptive students, what types of disciplinary actions were taken (including decisions they may have personally made), and their feelings or thoughts as to whether those actions were appropriate. identifiers will be collected. this study would be categorized as which type of review? (a) exempt review(b) full board review(c) expedited review(d) not human subjects