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Psychometric Properties of the Revised Version of the Prolonged Grief Disorder Scale (PG-13-R)

A Methodological Study in the Iranian Population

Bibliographic Data

ID13628101
AuthorsSeyedmohammad Mirhosseini (0000-0002-2087-0164, Shahroud University of Medical Sciences), Mahboobeh Khajeh (0000-0002-0684-9481, Shahroud University of Medical Sciences), Hamid Sharif-Nia (Psychosomatic Research Center, Mazandaran University of Medical Sciences, Sari, Iran), Fatemeh Sadat Hosseini (0009-0005-3350-4138, Shahroud University of Medical Sciences), Hossein Ebrahimi (0000-0001-5036-9736, Shahroud University of Medical Sciences, corresponding author)
Year2024
Pages302228241272579-302228241272579
Publication date2024-08-06
Open AccessYes
TypeARTICLE
VenueOMEGA - Journal of Death and Dying (JOURNAL)
Journal identifiersISSN: 0030-2228 • E-ISSN: 1541-3764
PublisherSAGE Publishing (PUBLISHER • US)
DOI10.1177/00302228241272579
PMID39106332
OpenAlexW4401357398
LanguageEN
Citations received3
References cited35

Prolonged grief disorder has recently been officially introduced as a new mental disorder. This study aimed to validate the Persian version of the revised Prolonged Grief Scale (PG-13-R). This study was conducted among the general population in Shahroud, Iran, during 2023. Employing face and content validity, along with exploratory and confirmatory factor analyses (EFA), the study validates the PG-13-R. Average variance extracted value showed an acceptable convergent validity. The EFA reveals a singular factor structure explaining 60.541% of the variance in prolonged grief disorder, and the confirmatory factor analysis demonstrates an excellent model fit. Internal consistency, evaluated through Cronbach's alpha and MacDonald's omega, highlights the scale's reliability. The Persian version of PG-13-R had acceptable composite reliability. Stability is confirmed by an intra-class correlation coefficient. In conclusion, the Persian PG-13-R displays satisfactory validity and reliability to assessing prolonged grief symptoms in the Iranian population

Cartography · Complicated grief · Confirmatory factor analysis · Convergent validity · Cronbach's alpha · Exploratory factor analysis · Geography · Grief · Internal consistency · Persian · Population · Psychiatry · Psychometrics · Reliability (semiconductor · Scale (ratio · Statistics · Structural equation modeling · Theology · Clinical Psychology · Family Caregiving in Mental Illness · Grief, Bereavement, and Mental Health · Mathematics · Medicine · Migration, Health and Trauma · Psychology

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Citations per year3
Citation span2026 - 2026 (1)
Highly citedNo

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