publication . Article . 2015

The Natsal-SF Measure of Sexual Function : Comparison of Three Scoring Methods

Jones, Kyle G.; Mitchell, Kirstin R.; Ploubidis, George B.; Wellings, Kaye; Datta, Jessica; Johnson, Anne M.; Mercer, Catherine H.;
Open Access
  • Published: 10 Feb 2015 Journal: The Journal of Sex Research, volume 52, pages 640-646 (issn: 0022-4499, eissn: 1559-8519, Copyright policy)
  • Publisher: Informa UK Limited
Abstract
The Natsal-SF is a psychometrically validated measure of sexual function for use in community health surveys, derived from 17 questions reflecting three components of sexual function. Scoring requires knowledge of complex statistical modeling and, given the methodological complexities, we assessed the validity of two simplified scoring methods calculated using the factor loadings produced when originally modeling the Natsal-SF items. Method 1 uses these factor loadings to three decimal places, while method 2 assigns whole numbers to each item based on the factor loadings. Scores from these simplified methods are compared to the original score using correlation c...
Subjects
free text keywords: History and Philosophy of Science, Sociology and Political Science, General Psychology, Gender Studies, Sexual function, Linear regression, Psychometrics, Statistics, Statistical model, Correlation, Latent variable model, Decimal, Factor analysis, Mathematics, Empirical Articles

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