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August 20, 2025Death Studies

Psychometric evaluation of the prolonged grief disorder-13-revised (PG-13-R) for Indonesian bereaved adults

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The Indonesian version of the PG-13-R is a valid and reliable instrument for evaluating prolonged grief disorder symptoms in bereaved adults, ensuring accuracy in assessments.
Confirmatory factor analysis demonstrated a strong model fit with a Kaiser–Meier–Olkin score of .96, indicating excellent factor structure validity.
The composite reliability scores were high for all factors, with factor 1 at .90, factor 2 at .78, and factor 3 at .85, supporting the scale's internal consistency.
Strong test-retest reliability was found, with intraclass correlation coefficients ranging from .89 to .92, emphasizing the stability of the instrument over time.

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Psychometric evaluation highlights validity of PG-13-R in assessing prolonged grief disorder symptoms in Indonesia, supporting clinical applications.

Kustanti et al. (2025) studied this question.

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Psychometric evaluation highlights validity of PG-13-R in assessing prolonged grief disorder symptoms in Indonesia, supporting clinical applications.