The Erotic Response and Orientation Scale does not address all possible sexual or gender identities and does not purport to accommodate respondents who identify as non-binary. The Erotic Response and Orientation Scale (EROS) is a classical index and instrument for measuring heterosexual and homosexual behavior, bisexuality, and asexuality. The original research was provided by Michael Storms in affiliation with Kansas University. The IDR-SOT© is the property of IDR Labs International.
