Before agreeing to participate in a psychological research study, all participants must know what their participation will involve and what risks might develop. According to the American Psychological Association (APA) guidelines, which of the following addresses this issue?

Informed Consent

Explanation:

Informed consent under APA guidelines addresses the need for all participants to know before hand what their participation will involve and what risks might develop. The guideline also states that the participants also retain the right to withdraw from the study before or after informed consent, at any time and for any reason.