Inventory of Dyadic Heterosexual Preferences – IDHP
Measures an individual's affinity for a broad range of sexual behavior preferences within a dyadic heterosexual relationship.
Scale Development & Technical Details
Scale Overview
The Inventory of Dyadic Heterosexual Preferences – IDHP was developed by Daniel M. Purnine, Michael P. Carey, and Randall S. Jorgensen (1996). It is designed to measure Sexual behavior preferences in dyadic heterosexual relationships. The scale is intended for use with Adults.
Scale Structure
This instrument consists of 27 items organized into 6 factors/subscales: Erotophilia, Use of Contraception, Conventionality, Use of Erotica, Use of Drugs/Alcohol, Romantic Foreplay.
| Factor / Subscale | Items | N |
|---|---|---|
| Erotophilia | 1,7,8,11,16,17,18 | 7 |
| Use of Contraception | 3,6,13,26 | 4 |
| Conventionality | 5,10,22,23 | 4 |
| Use of Erotica | 4,9,24,27 | 4 |
| Use of Drugs/Alcohol | 12,14,15,20 | 4 |
| Romantic Foreplay | 2,19,21,25 | 4 |
Response Format
Respondents rate each item using a custom response format.
Response anchors: 1 = Strongly disagree, 2 = Disagree, 3 = Somewhat disagree, 4 = Somewhat agree, 5 = Agree, 6 = Strongly agree.
The scale includes 3 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 Mean alpha coefficient = .72.
Administration
The scale is self-administered and typically takes approximately 5 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.