The scientific study of sexuality is not limited to a single discipline but involves scholars from a variety of fields, including sociology, psychology, and biology. The multidisciplinary nature of sexuality research lends itself to various and often contradictory theoretical interpretations of sexual phenomena. Furthermore, individuals have various perspectives on the purpose of sexual behavior and engage in a variety of sexual behaviors. For example, Reiss (1960) asserts that individuals take one of three general approaches to sexuality. Some individuals have a "procreational orientation," believing that the purpose of sexual intercourse is reproduction; others have what Reiss (1960) refers to as a "relational orientation," believing that sexual intercourse is for the purpose of expressing emotional attachment to a partner; and still others have a "recreational orientation," viewing the purpose of sexual behavior as enjoyment. Other researchers (e.g., Peplau...