[Solved] The only type of research that should be avoided is unethical research. Gender: The range of characteristics pertaining to, and differentiating between, masculinity and femininity, largely culturally and socially constructed. Sexual Activity: Behaviors involving the genitals aimed at deriving erotic pleasure, including intercourse and masturbation, among others. Perceived Level: An individual's subjective evaluation or estimation of something, such as their own skills or qualities. Hormonal Levels: Refers to the concentration of hormones in the bloodstream, which can influence physical functions, behaviors, and emotional states.