This course will cover the advantages and disadvantages of the following research methods: case study, survey, direct observation, and experimentation. Students will become familiar with the major sex researchers and their contributions to the field, including Henry Havelock Ellis, Richard von Krafft-Ebing, Sigmund Freud, Theodore Hendrik van de Velde, Alfred Kinsey, Leah Schaefer, Masters and Johnson, Helen Singer Kaplan, National Health and Social Life Survey. Students will review recent research relating to sexual functioning and become familiar with the major research journals.