More than just gay vs. straight

Dr. Alfred Kinsey was one of the first researchers to explore bisexuality in the U.S. Dr. Kinsey and his colleagues developed the Kinsey Scale in the 1940s, to measure and portray sexual attraction/behavior as occurring along a continuum, with a number of people falling somewhere between exclusive heterosexuality and exclusive homosexuality (The Kinsey Scale, 2017). (Figure 1)

The Kinsey Scale
Figure 1. Source: Kinsey, 1948

More recently, the Klein Sexual Orientation Grid (KSOG) was developed by the founder of the American Institute of Bisexuality to represent a nuanced view of sexual orientation, including bisexuality. The KSOG incorporates a variety of elements, including the possibility that a person’s sexual identity will change over time, and it includes emotional and romantic preferences as well as sexual attraction/behavior (The Klein Sexual Orientation Grid, 2014). (Figure 2)

The Klein Sexuality Grid
Figure 2. Source: Klein, 1978

Both the Kinsey Scale and the KSOG are ways of measuring and representing bisexuality as existing along a continuum of sexual identities.

Featured Content

Read about the background of the Kinsey Scale from the Kinsey Institute at Indiana University.

Kinsey Scale


Read more about the Klein Sexual Orientation Grid in this article from the American Institute of Bisexuality.

Klein Sexual Orientation Grid

References:

The Kinsey Scale. (2019). Kinsey Institute. https://www.kinseyinstitute.org/research/publications/kinsey-scale.php

The Klein Sexual Orientation Grid. (2014). American Institute of Bisexuality. http://www.americaninstituteofbisexuality.org/

Gender Identity Gender identity icon Our core sense of who we are as a man, a woman, a mixture of both, or neither.

Gender Expression Gender expression icon How we show up in the world through choices like clothing, hair style, mannerisms or tone of voice.

Attraction attraction icon How we feel toward others sexually, romantically and/or emotionally.

Biological Sex Biological sex icon Physical attributes such as reproductive organs and genitalia, chromosomes, genes and hormone levels.

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