[Solved] In Porter's Five Forces model, conditions under which a supplier group can be powerful include all the following except A) lack of importance of the buyer to the supplier group. B) high differentiation by the supplier. C) dominance by a few suppliers. D) readily available substitute products. Sexual Drives: refer to the biological and psychological energies that influence an individual's desire for sexual activity. McCarthys' Sexual Styles: A conceptual framework identifying different styles of sexual expression and behavior as characterized by the research of McCarthy. Intrapersonal Activity: Activities or processes that occur within the individual's mind. Autoeroticism: The practice of achieving sexual pleasure through stimulation of one's own body.