New Psychometric Evidence of the Grief Impairment Scale (GIS) in People Who Have Experienced the Death of a Loved One From a Network Psychometric Approach in Two Latin American Countries.

Autor:	Caycho-Rodríguez T; Facultad de Psicología, Universidad Científica del Sur, Lima, Perú., Travezaño-Cabrera A; Escuela de Psicología, Universidad Peruana Unión, Lima, Perú., Ventura-León J; Facultad de Ciencias de la Salud, Universidad Privada del Norte, Lima, Perú., Vilca LW; South American Center for Education and Research in Public Health, Universidad Norbert Wiener, Lima, Perú., Baños-Chaparro J; Facultad de Psicología, Universidad Científica del Sur, Lima, Perú., Yupanqui-Lorenzo DE; Universidad de Ciencias y Humanidades, Lima, Perú., Valencia PD; Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de Mexico, Tlanepantla de Baz, Mexico., Torales J; Cátedra de Psicología Médica, Facultad de Ciencias Médicas, Universidad Nacional de Asunción, San Lorenzo, Paraguay.; Instituto Regional de Investigación en Salud, Universidad Nacional de Caaguazú, Coronel Oviedo, Paraguay.; Facultad de Ciencias Médicas, Universidad Sudamericana, Pedro Juan Caballero, Paraguay., Carbajal-León C; Escuela de Psicología, Facultad de Ciencias de la Comunicación, Turismo y Psicología, Universidad de San Martín de Porres, Lima, Perú., Lobos-Rivera ME; Escuela de Psicología, Universidad Tecnológica de El Salvador, San Salvador, El Salvador., Reyes-Bossio M; Facultad de Psicología, Universidad Peruana de Ciencias Aplicadas, Lima, Peru., Barrios I; Instituto Regional de Investigación en Salud, Universidad Nacional de Caaguazú, Coronel Oviedo, Paraguay.; Cátedra de Bioestadística, Facultad de Ciencias Médicas, Santa Rosa del Aguaray Campus, Universidad Nacional de Asunción, Santa Rosa del Aguaray, Paraguay., Jaimes-Alvarez F; Facultad de Psicología, Universidad Científica del Sur, Lima, Perú., Lee SA; Department of Psychology, Christopher Newport University, Christopher Newport University, Newport News, VI, USA.
Jazyk:	angličtina
Zdroj:	Omega [Omega (Westport)] 2024 May 31, pp. 302228241256828. Date of Electronic Publication: 2024 May 31.
DOI:	10.1177/00302228241256828
Abstrakt:	This study aimed to evaluate the psychometric properties of the Grief Impairment Scale (GIS) using a network psychometric model. A total of 1048 individuals from Peru and El Salvador participated. A network psychometric model was used to determine internal structure, reliability, and cross-country invariance. The results indicate that the GIS items were grouped into a single network structure through Exploratory Graph Analysis. Reliability was estimated by structural consistency, and it was found that when replicating the network structure within an empirical dimension, a single network structure was consistently obtained, and all items remained stable. Furthermore, the network structure was invariant, thus functioning similarly across the different country groups. In conclusion, the GIS presented solid psychometric evidence of validity based on its internal structure, reliability, and cross-country invariance. Therefore, the GIS is a psychometrically sound measure of functional impairment symptoms due to grief for Peruvian and Salvadoran individuals. Competing Interests: Declaration of Conflicting InterestsThe author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.
Databáze:	MEDLINE
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