[Solved] One major disadvantage of cluster sampling is that the elements in a cluster may not have the same variation in characteristics as elements selected individually from a population. Self-Directed Exposure: An individual's intentional engagement with specific stimuli, such as media or environments, for personal reasons or outcomes. Sexually Explicit Media: Visual or audio material that explicitly presents sexual content, including intercourse, nudity, or erotic subjects. Dominatrix: In bondage and discipline, a woman who specializes in “disciplining” a submissive partner. Public Solicitation: The act of requesting, encouraging, or demanding services, typically of a sexual nature, in a public setting, often illegal or regulated.