Couples Satisfaction Index (CSI-16)
IRT-Optimized Standard Form
IRT-optimized 16-item Couples Satisfaction Index (CSI) by Funk & Rogge (2007). Assesses overall relationship satisfaction with scores 0-81. Below 51.5 suggests significant distress.
Scoring Guide
Score range 0-81. Below 51.5 suggests significant relationship distress. Cronbach's α = .98.