query: sexual_orientation alfred kinsey
supports: Alfred Charles Kinsey ( / knzi / ; June 23 , 1894 -- August 25 , 1956 ) was an American biologist , professor of entomology and zoology , and sexologist who in 1947 founded the Institute for Sex Research at Indiana University , now known as the Kinsey Institute for Research in Sex , Gender , and Reproduction . He is best known for writing Sexual Behavior in the Human Male ( 1948 ) and Sexual Behavior in the Human Female ( 1953 ) , also known as the Kinsey Reports , as well as the Kinsey scale . Kinsey 's research on human sexuality , foundational to the field of sexology , provoked controversy in the 1940s and 1950s . His work has influenced social and cultural values in the United States , as well as internationally . Sexual orientation is an enduring pattern of romantic or sexual attraction (or a combination of these) to persons of the opposite sex or gender, the same sex or gender, or to both sexes or more than one gender. These attractions are generally subsumed under heterosexuality, homosexuality, and bisexuality, while asexuality (the lack of sexual attraction to others) is sometimes identified as the fourth category. The Kinsey scale, also called the HeterosexualHomosexual Rating Scale, is used in research to describe a person's sexual orientation based on their experience or response at a given time. The scale typically ranges from 0, meaning exclusively heterosexual, to 6, meaning exclusively homosexual. In both the Male and Female volumes of the "Kinsey Reports", an additional grade, listed as "X", was used to mean "no socio-sexual contacts or reactions". The reports were first published in "Sexual Behavior in the Human Male" (1948) by Alfred Kinsey, Wardell Pomeroy and others, and were also prominent in the complementary work "Sexual Behavior in the Human Female" (1953).
candidates: asexuality bisexuality heterosexuality
answer: bisexuality