| Summary: | RESUMEN Se examinó la estructura factorial, la confiabilidad, la validez convergente y discriminante, y la invarianza factorial por sexo, de la Satisfaction with Family Life Scale (SWFLS). Los participantes fueron 804 estudiantes de primaria y secundaria de escuelas privadas de Lima, con un promedio de edad de 13.5 años (DE = 1.6). Los resultados confirman la estructura unidimensional de la escala (χ2 = 3.49, df = 5, p = 0.63; χ2/df = 0.69; GFI = 0.998; CFI = 1; NFI = 0.998; RMSEA = 0 [IC90% 0, 0.038] y SRMR = 0.007), la invarianza factorial por sexo y una consistencia interna adecuada (α = 0.84; ω = 0.84; H = 0.85). Se obtuvieron evidencias satisfactorias de validez convergente y discriminante de las SWFLS con medidas de funcionalidad familiar, bienestar subjetivo y depresión. En conclusión, la SWFLS presenta excelentes propiedades psicométricas para medir la satisfacción con la vida familiar en escolares limeños. Palabras clave análisis factorial confirmatorio; invarianza factorial; satisfacción con la vida familiar; escolares peruanos.
ABSTRACT We examined the factor structure, reliability, convergent and discriminant validity, and factorial invariance by sex of the Satisfaction with Family Life Scale (SWFLS). The participants were 804 primary and secondary students from private schools in Lima, with an average age of 13.5 years (SD = 1.6). The results confirm the one-dimensional structure of the scale (χ2 = 3.49, df = 5, p = 0.63, χ2/df = 0.69, GFI = 0.998, CFI = 1, NFI = 0.998, RMSEA = 0 [IC90% 0, 0.038], and SRMR = 0.007), factorial invariance by sex and adequate internal consistency (α = 0.84; ω = 0.84; H = 0.85). Satisfactory evidence of convergent and discriminant validity of the SWFLS was obtained with measures of family functionality, subjective well-being and depression. In conclusion, the SWFLS presents excellent psychometric properties to measure satisfaction with family life in Lima schoolchildren. Keywords confirmatory factor analysis; factorial invariance; satisfaction with family life; Peruvian schoolchildren.
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