Scale to measure variables F and G of the KSOG Scale to measure variables A , B , C , D , and E of the KSOG In which community do you like to spend your time? In which do you feel most comfortable? Who do you feel more drawn to or close to emotionally? The KSOG has also been used in studies of conversion therapy.

Studies using the KSOG have used cluster analysis to investigate patterns within the KSOG's twenty-one parameters, in one case suggesting a five-label (straight, bi-straight, bi-bi, bi-gay, gay) model of orientation. Introduced in Klein's book The Bisexual Option the KSOG uses a seven-point scale to assess seven different dimensions of sexuality at three different points in an individual's life: past (from early adolescence up to one year ago), present (within the last 12 months), and ideal (what would be chosen if it were voluntary). The KSOG is often used as a tool in research. The KSOG uses values of 1–7, rather than the 0–6 scale of the Kinsey scale, to describe a continuum from exclusively opposite-sex to exclusively same-sex attraction. Unlike the Kinsey scale, the Klein grid investigates sexual orientation in the past, the present and in the idealized future with respect to seven factors each, for a total of twenty-one values. In response to the criticism of the Kinsey scale only measuring two dimensions of sexual orientation, Klein developed a multidimensional grid for describing sexual orientation. Klein first described the KSOG in his 1978 book The Bisexual Option.

Fritz Klein founded the American Institute of Bisexuality in 1998 which is continuing his work by sponsoring bisexual-inclusive sex research, educating the general public on sexuality, and promoting the bisexual community. Research has shown that sexual behavior, feelings, and thoughts towards the same or opposite sex are not always consistent across time.The Klein Sexual Orientation Grid ( KSOG) developed by Fritz Klein attempts to measure sexual orientation by expanding upon the earlier Kinsey scale. But many people question their sexual orientation at some point. And what Kinsey found (even at a conservative time in the 1940s) was that very few people actually identify as a 0 or as a 6! Sexuality is fluid! For most people, sexual orientation may seem simple on the surface. Kinsey found that human sexuality doesn’t occur in binaries, but on a scale: 0 = exclusively heterosexual to 6 = exclusively homosexual. Ever wanted to better understand your sexual orientation? In the 40s & 50s, Alfred Kinsey lead a pioneering study in human sexuality.

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