[Solved] Choosing a partner (online) is based more on _______________ similarities and is not necessarily a rational decision. A) Income B) Personality C) Interests D) Extracurricular activities Sexual Response Cycle: A four-stage pattern of physiological and psychological responses during sex; the four stages are experienced differently by males than by females. Alfred Kinsey: Alfred Kinsey was a pioneering American biologist and sexologist who conducted groundbreaking research on human sexuality in the mid-20th century. Erotic Photographs: Images intended to stimulate sexual arousal, typically featuring nude or semi-nude subjects in suggestive poses. Bisexual: A sexual orientation characterized by the attraction to both males and females.