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versión impresa ISSN 2411-5940versión On-line ISSN 2413-4465
Resumen
HUAMANI-CAHUA, Julio Cesar et al. Validation Psychometrical analysis of Sexual Machism Scale (EMS-Sexism-12) among university students from Arequipa, Peru. Interacciones [online]. 2023, vol.9, pp.e301-. Epub 23-Mar-2023. ISSN 2411-5940. http://dx.doi.org/10.24016/2023.v9.301.
Background:
Sexual masochism is a form of gender discrimination based on beliefs, stereotypes and attitudes that limit autonomy and devalue individuals based on their gender.
Objective:
To determine the internal structure validity and reliability of the EMS-Sexism-12 to measure sexual machismo in the Peruvian population.
Method:
The study used an instrumental design with a convenience sample of 2470 students from a public university in Arequipa, Peru. The sample consisted of 50% men (M = 20.53; SD = 2.64) and 50% women (M = 19.95; SD = 2.27), representing engineering and social science disciplines. The instrument used was the Sexual Machismo Scale (EMS-Sexism-12), originally constructed and validated in Mexico.
Results:
The data were analysed using CFA and the WLSMV estimator along with polychoric correlation matrices in the open-source software Rstudio. The analysis revealed a unidimensional model with good fit indices for both men (CFI = .924, TLI = .907, SMRM = 0.069) and women (CFI = .936, TLI = .922, SMRM = 0.051). Furthermore, evidence of internal consistency reliability was observed for men and women, respectively (ω = .969; ω = .897). Gender-specific norms are included for reference.
Conclusions:
The sexual machismo scale shows evidence of similar validity and reliability with the same items in men and women from Arequipa, Peru.
Palabras clave : Sexual Machismo; Sexism; Sexuality; Psychometrics.