Read this: The Kinsey scale provides a classification of sexual orientation based on the relative amounts of heterosexual and homosexual experience or psychic response in one's history at a given time. The classification scheme works such that individuals in the same category show the same balance between the heterosexual and homosexual elements in their histories. The position on the scale is based on the relation of heterosexuality to homosexuality in one's history, rather than the actual amount of overt experience or psychic response. An individual can be assigned a position on the scale in accordance with the following definitions of the points of the scale:

What is the position on the Kinsey scale based on?
What is the answer? (If it cannot be answered, return "unanswerable")
relation of heterosexuality to homosexuality in one's history