[Solved] When is the ratio level of measurement the correct level of measurement to use? Sexual Fantasies: Imaginative thoughts or daydreams about sexual activities or desires, often reflecting personal wishes or cultural influences. Masturbation: The self-stimulation of one's genitals for sexual pleasure. Autoerotic Stimulation: Sexual stimulation or satisfaction derived from one's own body, often without the involvement of another person. Erotic Dream: A dream that arouses sexual feelings or contains sexual themes.