Sometimes a Research Study Is Conducted Using Different Modes of Therapy

Sometimes a research study is conducted using different modes of therapy for different randomly assigned groups. The term "informed consent" as applied to such a study means that the participant is provided with certain information before agreeing to volunteer. Which of the following is not information typically provided by the psychologist to enable the participant to give informed consent?

A) The purpose of the research.
B) Where the results of the study will be published.
C) The length of time the study will take.
D) The benefits and risks to the participant.