Bibliographic citations
Camacho, D., (2020). Adaptación y validación de la Escala de Síndrome Premenstrual en estudiantes universitarias de Lima [Tesis, Universidad Peruana de Ciencias Aplicadas (UPC)]. http://hdl.handle.net/10757/653600
Camacho, D., Adaptación y validación de la Escala de Síndrome Premenstrual en estudiantes universitarias de Lima [Tesis]. PE: Universidad Peruana de Ciencias Aplicadas (UPC); 2020. http://hdl.handle.net/10757/653600
@misc{renati/392706,
title = "Adaptación y validación de la Escala de Síndrome Premenstrual en estudiantes universitarias de Lima",
author = "Camacho Molina, Diana Ursula",
publisher = "Universidad Peruana de Ciencias Aplicadas (UPC)",
year = "2020"
}
The present study aimed to analyze the psychometric properties (evidence of validity and reliability) of the Premenstrual Syndrome Scale (PMSS) in a sample of 461 undergraduate university students from four private universities in Lima. The age range’s sample was between 16 to 27 years old (M = 19.70, SD = 1.84). The tests applied were the Premenstrual Syndrome Scale (PMSS), the Zung Anxiety Scale (ZAS), and the Zung Depression Scale (ZDS). As evidence of validity related to internal structure, an exploratory factor analysis (EFA, n = 230) was performed, resulting in a structure on nine related factors that explained 56.35% of the total variance considering 41 of the 44 original items. Then a confirmatory factor analysis (CFA, n = 231) was performed in order to evaluate the fit of the model obtained in the CFA, in which adequate goodness fir indexes were obtained (χ2 = 1168.49; χ2/gl = 1.79; CFI = .90; RMSEA = .06; SRMR = .06). To obtain these indexes, three pair of correlated errors had to be specified and two additional items were eliminated, resulting in a thirty-nine items structure. The omega reliability coefficients ranged from .72 and .90. In addition, as evidence of convergent validity statistically positive relationships were found significant among the nine dimensions of the PMSS, anxiety and depression measures. It is concluded that the PMSS and its derived scores are a valid and reliable measure to evaluate premenstrual syndrome in this sample.
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