Spector, I. P., Carey, M. P. & Steinberg, L. (1996). The Sexual Desire Inventory: Development, Factor, Structure, and Evidence of Reliability. Journal of Sex & Marital Therapy, 22, 175-190.
Primary use / Purpose:
The SDI-2 was created by Spector, Carey and Steinberg to develop a measure that quantified sexual desire in cognitive terms as opposed to previous measures that used predominantly behavioural methods.
Psychometric analysis is reported in Spector, Carey and Steinberg (1996).