DrBranch Would Like to Study the Relationship Between Room Lighting

Multiple Choice

Dr.Branch would like to study the relationship between room lighting and college students' test performance.He randomly assigns college students to two groups.The first group takes an exam in a dimly lit room and the second group takes the same exam in a regularly lit room.To ensure ethical treatment of participants,Dr.Branch will NOT need to

A) obtain participants' informed consent prior to participation.
B) keep personal information about participants confidential.
C) protect his participants from harm and discomfort.
D) report individual participant results.