Sexual Ideology Instrument – SII
Measures individual attitudes toward the tenets of three primary sexual ideologies (Traditional Romantic, Modern Naturalistic, and Abstinence) and related controversial public topics.
Scale Development & Technical Details
Scale Overview
The Sexual Ideology Instrument – SII was developed by Ilsa L. Lottes (1983). It is designed to measure Sexual Ideology. The scale is intended for use with Adults.
Scale Structure
This instrument consists of 43 items organized into 14 factors/subscales: Gender Role Equality, Body-Centered Sexuality Scale 1, Body-Centered Sexuality Scale 2, Body-Centered Sexuality Scale 3, Body-Centered Sexuality Scale 4, Power of Sexual Emotions Scale 1, Power of Sexual Emotions Scale 3, Coital Focus, Love Need in Sex Scale 1, Love Need in Sex Scale 2, Abortion, Gender Genetic Differences, Pornography, Homosexuality.
| Factor / Subscale | Items | N |
|---|---|---|
| Gender Role Equality | 1,6,11,16,24,43 | 6 |
| Body-Centered Sexuality Scale 1 | 35,40 | 2 |
| Body-Centered Sexuality Scale 2 | 7,15,30 | 3 |
| Body-Centered Sexuality Scale 3 | 12,13,17 | 3 |
| Body-Centered Sexuality Scale 4 | 2 | 1 |
| Power of Sexual Emotions Scale 1 | 28,34 | 2 |
| Power of Sexual Emotions Scale 3 | 3,18,23,39 | 4 |
| Coital Focus | 4,19,22 | 3 |
| Love Need in Sex Scale 1 | 5,9,20,21,33,41 | 6 |
| Love Need in Sex Scale 2 | 8,10,25,31,32,36,37,38,42 | 9 |
| Abortion | 29 | 1 |
| Gender Genetic Differences | 27 | 1 |
| Pornography | 26 | 1 |
| Homosexuality | 14,38 | 2 |
Response Format
Respondents rate each item using a 5-point Likert scale (1 = Strongly Disagree to 5 = Strongly Agree).
The scale includes 22 reverse-scored items to reduce acquiescence bias.
Scoring
Items are scored by subscale, with each subscale sum representing a distinct dimension.
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of Cronbach's alphas range from .46 to .86 across subscales.
Administration
The scale is self-administered and typically takes approximately 30 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.