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The Index of Consensual Sexual Sadism (ICSS): Scale development, validation, measurement invariance, and nomological
Charlotte Kinrade1, William Hart2, Danielle E Wahlers2
1Department of Psychological Science, Kennesaw State University.
Abstract:
Sexual sadism has long been of interest to scholars and clinicians in psychology, and most research on sexual sadism has focused on forensic samples. However, recently, research has uncovered the existence of sexual sadism in general populations. Measures designed to assess sexual sadism in the general population are lacking. To address this gap, we created the Index of Consensual Sexual Sadism (ICSS) and performed some initial psychometric testing of its structure, measurement invariance, validity (e.g., distinguishment from everyday sadism), and reliability. In this preregistered study, separate samples of community adults and undergraduates (N = 1,391; Mage = 24.21, SDage = 10.92, rangeage = 18-85; 68.40% female; 76.10% White) completed the ICSS and measures of sadistic pleasure in sexual and nonsexual contexts, normal personality traits (HEXACO), personality disorder traits, antagonistic personality features (e.g., psychopathy), frequency of sadistic sexual fantasies, romantic relationship satisfaction, and social desirability. The ICSS demonstrated a unidimensional structure that was invariant across the tested groupings of sample type, sex, and age; in addition, the scale had only a trivial relation to social desirability bias, and it related to the other outcomes in a way that highlighted its construct validity and distinguished it from everyday sadism. The ICSS seems a viable candidate for assessing consensual sexual sadism so that clinicians and researchers can begin evaluating the full spectrum of sexual sadism. (PsycInfo Database Record (c) 2025 APA, all rights reserved).
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