Abstract
Introduction: There is little systematized research on the postsex phase of the sexual cycle, due in part to the absence of literature on the period immediately following sexual activity. Aim: The paper describes the development and validation of the Postsex Experience Scale (P-SES), an instrument designed to measure the psychological dimensions of the postsex period of the human sexual response cycle. Methods: Scale development involved (a) item construction, selection, and subsequent validation through item analysis, and (b) a factor analysis of the item intercorrelations of the P-SES and the establishment of its factorial validity, based upon an online survey of 4,217 respondents...