Sexual Path Preferences Inventory (SPPI)
Measures involvement potential and path preferences (role enactment, trance, and partner engagement) in sexual episodes.
Scale Development & Technical Details
Scale Overview
The Sexual Path Preferences Inventory (SPPI) was developed by Donald L. Mosher (1980). It is designed to measure Sexual path preferences and involvement potential. The scale is intended for use with Sexually experienced adults.
Scale Structure
This instrument consists of 51 items organized into 3 factors/subscales: Preference for the Path of Sexual Role Enactment, Preference for the Path of Sexual Trance, Preference for the Path of Partner Engagement.
| Factor / Subscale | Items | N |
|---|---|---|
| Preference for the Path of Sexual Role Enactment | 1,5,9,11,13,18,19,23,26,28,33,35,38,42,44,46,49 | 17 |
| Preference for the Path of Sexual Trance | 3,4,8,12,14,16,20,24,27,29,31,36,39,40,43,47,50 | 17 |
| Preference for the Path of Partner Engagement | 2,6,7,10,15,17,21,22,25,30,32,34,37,41,45,48,51 | 17 |
Response Format
Respondents rate each item using a custom response format.
Response anchors: 0 = Not at all true of (for) me, 1 = 1, 2 = 2, 3 = 3, 4 = 4, 5 = 5, 6 = Extremely true of (for) me.
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 Involvement Potential alpha = .93; Role Path alpha = .92; Trance Path alpha = .86; Partner Path alpha = .91.
Administration
The scale is self-administered and typically takes approximately 20 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.