37% of males and 13% of females had at least some overt homosexual experience to orgasm.Sexual Behavior in the Human Male (1948) and Sexual Behavior in the Human Female (1953) reported that: Kinsey's data came from in-depth, face-to-face interviews (with 5300 white males and 5940 white females providing almost all of the data). Paul Gebhard (Gebhard 1979), a Kinsey research associate and later director of the Institute, described Kinsey's sampling method as 'quota sampling accompanied by opportunistic collection' (p. The original male sample included institutionalized men. Kinsey's samples are best for younger adults, particularly the college-educated they are poorest for minorities and those from lower socioeconomic and educational levels. 19 Studies of Alfred Kinsey (and Reanalyses of Kinsey Data).