The study sought to analyze the evidences of validity, factorial invariance and reliability of the scores of the Jealousy Subscale of the Inventory of Emotional Communication in Romantic Relationships (Sánchez, 2012). To that effect, there was a sample of 1176 Peruvian university students who completed the 11 items of the original version. The confirmatory factor analysis verified a satisfactory adjustment of a final model of nine items in a single factor and correlated errors. It is concluded that the Jealousy scale is a measure that can be used in the professional and research activity, obtaining valid interpretations, reliable and invariant scores according to gender in Peruvian university students.

The study sought to analyze the evidences of validity, factorial invariance and reliability of the scores of the Jealousy Subscale of the Inventory of Emotional Communication in Romantic Relationships (Sánchez, 2012). To that effect, there was a sample of 1176 Peruvian university students who completed the 11 items of the original version. The confirmatory factor analysis verified a satisfactory adjustment of a final model of nine items in a single factor and correlated errors. It is concluded that the Jealousy scale is a measure that can be used in the professional and research activity, obtaining valid interpretations, reliable and invariant scores according to gender in Peruvian university students.

El estudio buscó analizar las evidencias de validez, invarianza factorial y fabilidad de las puntuaciones de la Subescala de Celos del Inventario de Comunicación Emocional en las Relaciones Románticas (Sánchez, 2012). Para ello se contó con una muestra de 1176 estudiantes universitarios peruanos que completaron los 11 ítems de la versión original. El análisis factorial confrmatorio verifcó un ajuste satisfactorio de un modelo fnal de nueve ítems en un único factor y errores correlacionados. Se concluye que la escala de Celos constituye una medida breve que puede emplearse en la actividad profesional e investigativa, obteniendo interpretaciones válidas, puntuaciones fables e invariantes de acuerdo con el sexo en estudiantes universitarios peruanos.

The study sought to analyze the evidences of validity, factorial invariance and reliability of the scores of the Jealousy Subscale of the Inventory of Emotional Communication in Romantic Relationships (Sanchez, 2012). To that effect, there was a sample of 1176 Peruvian university students who completed the 11 items of the original version. The confirmatory factor analysis verified a satisfactory adjustment of a final model of nine items in a single factor and correlated errors. It is concluded that the Jealousy scale is a measure that can be used in the professional and research activity, obtaining valid interpretations, reliable and invariant scores according to gender in Peruvian university students.