Cross-national invariance of the Spanish version of the 8-item Posttraumatic Growth Inventory-Short Form (PTGI-SF) in people who experienced the death of loved ones from four South American countries
Post-pandemic, there is concern about the increase in mental health problems associated with grief due to COVID-19. Recent studies have identified positive outcomes that may have emerged in the face of adversity, which can lead to positive psychological changes, such as posttraumatic growth. The aim of the study was to evaluate the transnational measurement invariance of the 8-item Posttraumatic Growth Inventory-Short Form (PTGI-SF) in individuals who experienced the death of loved ones during the post-COVID-19 period. A total of 1,820 individuals were recruited from four South American countries (Ecuador, Colombia, Peru and Bolivia) using non-probabilistic snowball sampling. The highest average age of participants was observed in Colombia (M = 35.8; SD = 12.5 years), while the lowest was recorded in Bolivia (M = 28.4; SD = 10.5 years). Similarly, a higher proportion of women (>57%) was found across all countries. Confirmatory Factor Analysis (CFA) and multigroup Confirmatory Factor Analysis (CFA) methods were used. The results indicated that a model for measuring posttraumatic growth across the five countries was supported, encompassing four factors: relating to others, appreciation of life and opportunities, personal strength, and spiritual change. Furthermore, the four-factor structure showed sufficient strict invariance across the five countries. Similarly, the PTGI-SF-8 items demonstrated adequate discrimination and difficulty parameters. The findings provide initial evidence to consider the PTGI-SF-8 as a psychometric instrument for assessing posttraumatic growth.
Authors
- Luis Hualparuca‐Olivera (ORCID: https://orcid.org/0000-0002-2026-3524)
- Daniel E. Yupanqui-Lorenzo (ORCID: https://orcid.org/0000-0002-8977-2888)
- Andrés Camargo (ORCID: https://orcid.org/0000-0003-4723-9310)
- Mariel Delgado-Campusano
- Marion K. Schulmeyer (ORCID: https://orcid.org/0000-0002-0707-0656)
- Jonatan Baños-Chaparro (ORCID: https://orcid.org/0000-0002-2604-7822)
- Diana Ximena Puerta-Cortés (ORCID: https://orcid.org/0000-0003-4134-2421)
- Tomás Caycho‐Rodríguez (ORCID: https://orcid.org/0000-0002-5349-7570)
- Mario Reyes-Bossio
- Pablo D. Valencia (ORCID: https://orcid.org/0000-0002-6809-1805)
- Júlio Torales (ORCID: https://orcid.org/0000-0003-3277-7036)
- Carlos Carbajal‐León (ORCID: https://orcid.org/0000-0001-6714-519X)
- Martín Noé-Grijalva (ORCID: https://orcid.org/0000-0003-2224-8528)
- Rodrigo Moreta‐Herrera (ORCID: https://orcid.org/0000-0003-0134-5927)
- Lindsey W. Vilca (ORCID: https://orcid.org/0000-0002-8537-9149)
- Daniela Ferrufino-Borja (ORCID: https://orcid.org/0000-0003-3816-5866)
- Águeda Muñoz-del-Carpio-Toia (ORCID: https://orcid.org/0000-0003-2723-3544)
Institutions
- Peruvian University of Applied Sciences (PE)
- Universidad Autónoma de la Ciudad de México (MX)
- Universidad de San Martín de Porres (PE)
- Universidad Científica del Sur (PE)
- Catholic University of the Maule (CL)
- Universidad César Vallejo (PE)
- Pontificia Universidad Católica del Ecuador (EC)
- Universidad Privada de Santa Cruz de la Sierra (BO)
- Fundación Universitaria del Área Andina (CO)
- Universidad de Ciencias y Humanidades (PE)
- Catholic University of Santa María (PE)
- Universidad Norbert Wiener (PE)
- Universidad de Ibagué (CO)
- Universidad Continental (PE)
- Universidad Señor de Sipán (PE)
- Universidad Nacional de Asunción (PY)
- Universidad Nacional Autónoma de México (MX)
Publication Details
- Journal
- Revista Interamericana de Psicología/Interamerican Journal of Psychology
- Published
- 2025-05-19
- DOI
- https://doi.org/10.30849/ripijp.v59(2025).e2103
- Citations
- 3
- Primary Topic
- Grief, Bereavement, and Mental Health
- Type
- article
- Field-Weighted Citation Impact
- 6.92