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Sexual Orientation Identity Development Scale SOI

 


Scale name:  Sexual Orientation Identity Development Scale  (SOI)

Scale overview:

The Sexual Orientation Identity Development Scale measures three dimensions of sexual orientation: Affirmation, Exploration, Resolution. English and Spanish versions are available.

Authors:  Toomey, R. B., Anhalt, K., & Shramko, M.

Response Type: 4-point rating scale: 

1 = Does not describe me at all, 

2 = Describes me a little,

3 = Describes me well, 

4 = Describes me very well.

Español

1 = No me describe en absolute,  

2 = Me escribe un poco,  

3 = Me describe bien,

4 = Me describe muy bien


Subscales: There are three subscales (alpha values in parentheses):

     Affirmation (Spearman-Brown .81)

     Exploration (Spearman-Brown .61)

     Resolution (alpha .67)

 

Sample items

  1. I have attended events that have helped me learn about my sexual orientation, such as gay-straight alliance meetings or events at a lesbian, gay, bisexual, and transgender (LGBT) community center.

  9. I have a clear sense of what my sexual orientation means to me.

Español

  1.  He asistido a eventos que me han ayudado a aprender más acerca de mi orientación sexual. Por ejemplo, he asistido al club de estudiantes GSA (Gay-Straight Alliance/Alianza Gay-Heterosexual) en mi escuela ó a eventos en el centro comunitario LGBT.

  9.  Tengo un sentido claro de lo que significa mi orientación sexual para mí.

 

Reliability: See the alpha values next to each subscale above.

Validity:

The authors used factor analysis to examine the structure of the scale.

“In terms of construct validity, we found that SOI resolution and affirmation were both positively associated with self-esteem and negatively correlated with internalized homonegativity. SOI exploration, however, was not associated with self-esteem or internalized homonegativity.” (Toomey et al., 2016, p. 499)

See the article below for more details.

Availability: The full set of items are available in English and Spanish with the four point ratings at the PsycTESTS reference– see below.

Permissions

   “Contact Publisher and Corresponding Author.” toomey@email.arizona.edu

            Publisher: © 2016 by Taylor & Francis

References

Toomey, R. B., Anhalt, K., & Shramko, M. (2016). Sexual Orientation Identity Development Scale [Database record]. Retrieved from PsycTESTS. doi: https://dx.doi.org/10.1037/t52502-000

Toomey, Russell B., Anhalt, Karla, & Shramko, Maura. (2016). An examination of the validity and reliability of a measure of sexual orientation identity exploration, resolution, and affirmation. Self and Identity, Vol 15(4), 488-504. doi: https://dx.doi.org/10.1080/15298868.2016.1157516

 

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