The Relationship Power Inventory (RPI) is a self-report measure of power for romantic partners. It assesses the different types of power that can be held by each partner across different decision-making domains within a relationship.
Developed by:
Allison K. Farrell, Jeffry A. Simpson, Alexander J. Rothman (University of Minnesota)
Measure domains:
Family and Friends Finances Future plans How to spend time together Parenting Purchases Relationship issues Religion Vacations When/How much time together
Items and subscales:
20 items
4 subscales:
1) self-outcome subscale
2) partner-outcome subscale
3) self-process subscale
4) partner process subscale
4 subscales:
1) self-outcome subscale
2) partner-outcome subscale
3) self-process subscale
4) partner process subscale
Cronbach's alpha:
RPI:
Self-Outcome: .93
Partner-Outcome: .94
Self-Process: .89
Partner-Process: .91
Overall RPI:
Self-Outcome: . 94
Partner-Outcome: .95
Self-Process: .85
Partner-Process: . 87
Self-Outcome: .93
Partner-Outcome: .94
Self-Process: .89
Partner-Process: .91
Overall RPI:
Self-Outcome: . 94
Partner-Outcome: .95
Self-Process: .85
Partner-Process: . 87
Study population(s):
Multiple Samples of U.S. individuals currently involved in romantic relationships and heterosexual, married or cohabitating couples from the Midwest.
Additional information:
Two versions: 1) Relationship Domains RPI which allows participants to select and weigh the domains that are most important in their relationship, and 2) Overall RPI to assess power in the relationship generally (across domains).
Measure validated?:
Y
Link(s) to Validation Study and/or Measure:
Citation of original article
Get citationFarrell, A. K., Simpson, J.A., & Rothman, A.J. (2015). The Relationship Power Inventory: Development and validation. Personal Relationships, 22(3), 387-413. doi:1-.1111/pere.12072