[Solved] The use of deception in a research study only permissible when A) being straightforward about study goals would likely cause physical or emotional distress. B) participants are informed about the purpose of the study. C) it is justified by the potential benefit of the study and the use of nondeceptive procedures is not feasible. D) the study is conducted by a professional researcher. Estrogen: A group of sex hormones crucial for the development and functioning of female reproductive tissues, and also involved in various other body processes. Testosterone: A steroid hormone that is the primary male sex hormone, responsible for the development of male secondary sexual characteristics. Pornography: Material designed to stimulate sexual excitement through the depiction of sexual activities or content. Initiate Sex: The act of starting sexual activity or making moves that suggest the desire for sexual engagement.