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Why Use This Test?

1. Free. This free online Sexual Orientation test is delivered to you free of charge and will allow you to obtain your score on the Erotic Response and Orientation Scale, otherwise known as the EROS Scale.

2. Tested in several countries. The parameters utilized in the Erotic Response and Orientation Scale test have been studied by researchers and used with success in several different regions, including the USA, Canada, and several European countries.

3. Based on peer-reviewed research. The present test was crafted on the basis of peer-reviewed research, as published in notable scientific journals. The original research on the EROS scale was published in the scientific Journal of Personality and Social Psychology.

4. Statistical controls. Test scores are logged into an anonymized database. Statistical analysis of the test is conducted to ensure maximum accuracy and validity of the test scores.

5. Made by professionals. The authors of this free online personality test are certified in the use of numerous personality tests and have worked professionally with typology and personality testing.

This test is also available in the following languages:

Sexual Orientation Test

The Erotic Response and Orientation Scale was developed by psychologist Michael Storms in order to account for problems with the Kinsey Scale Test, which many found to be overly binary in its approach to sexual orientation. The test is lauded for its contributions, which include a more complex and less linear understanding of non-binary orientations as well as an appreciation of the fact that some people are asexual.

What is your sexual orientation? For each of the following questions, indicate how often it has occurred for you.

Question 1 of 15

I identify as a:

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The IDR-SOT© is the property of IDR Labs International. The original research was provided by Michael Storms in affiliation with Kansas University.

The Erotic Response and Orientation Scale (EROS) is a classical index and instrument for measuring heterosexual and homosexual behavior, bisexuality, and asexuality. 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. Though developed in part to counteract problems with the Kinsey Scale Test, Kinsey was, contrary to popular belief, not a behaviorist, but granted that sexuality is much broader than simply lived behavior. The Erotic Response and Orientation Scale is dated, yet touted as an overlooked and nuanced contribution to the study of human sexuality in newer research. The original results obtained by Storms in 1980 are broadly agreed to be significant, particularly in regard to the study of bisexuality.

Although all are designed to measure sexual orientation in two dimensions, the IDR-SOT© should not be confused with EROS, as authored by Michael Storms or alternative research organizations. However, all are professionally-designed personality tests (or inventories) meant for measuring sexual orientation in relation to gender roles in the Western world. The IDR-SOT© is the property of IDR Labs International. The original research was provided by Michael Storms in affiliation with Kansas University. The authors of this online personality sexual orientation test are certified in the use of numeruos personality tests and have worked professionally with typology and personality testing. The results of our free online Sexual Orientation test are provided "as-is", and should not be construed as providing professional or certified advice of any kind. For more on our online personality test, please consult our Terms of Service.