Which of the following pairs of opponent elements was NOT part of the opponent-process theory proposed by Ewald Hering?

Prior to participation in a psychological study at your college, you are given information that clarifies the obligations and responsibilities of both you and the researcher in the study. This fulfills the ethical requirement that all psychological studies include ____

a. ?informed consent b. ?debriefing c. ?confidentiality d. ?complete disclosure of any deception

__________ is a form of sexual masochism in which participants become sexually aroused by being deprived of oxygen-for example, by using a noose, plastic bag, chemical, or pressure on the chest during a sexual act.

A. Hypoxyphilia B. Oxyphilia C. Hyperxyphilia D. Carbon dioxide paraphilia