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Abstract
The purpose of this investigation was to develop a self-administered questionnaire to measure sexual desire. In the development phase, items were generated and pilot-tested with 24 suljects. Based on these data, items were deleted, added, or modijied. Next, in Study One, the Sexual Desire Inventmy (SDO was administered to 197 females and 11 7 males. Factor analyses revealed that the SDI was multifactm'al; however, none of the generated factor solutions up to jive factors yielded a good Jit. Interpetation of the factors led to revisions of the SDI. It was hypothesized that sexual desire might consist of two related dimensions: dyadic sexual desire and solitary sexual desire. Items on the SDI were modijied to measure these two dimensions, and the revised SDI was administered to 249 females and 131 males. Factor analysis supported the presence of these two dimensions. Internal consistency estimates using Cronbach's alpha revealed coeflcients of -86 for dyadic sexual desire and .96 for solita9 sexual desire, providing prelimina? evidence for the reliability of the SDI. The implications of thesejindings are discussed.
