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Translation, cultural adaptation, and validation of the Prolonged Grief 13 Revised (PG-13-R) for Brazilian Portuguese
Laura Teixeira Bolaséll1, Alice Martins Abadi1, Natália Saldanha Silva1
1Center for Studies and Research in Traumatic Stress (NEPTE); Pontifical Catholic University of Rio Grande do Sul, Brazil.
Objective:
Prolonged Grief Disorder (PGD), characterized by persistent yearning, loss of meaning, and identity disruption, was recently recognized as a mental disorder in the DSM-5-TR. Despite its significant impact on functioning, no validated instruments exist to measure PGD in Brazilian Portuguese. This study aimed to translate, culturally adapt, and validate the Brazilian version of the Prolonged Grief 13 Revised (PG-13-R), an instrument aligned with DSM-5-TR criteria for assessing PGD symptoms.
Methods:
The study sample comprised 286 bereaved individuals with a mean age of 30.75 years (SD = 12.65), predominantly females (80%). Exploratory Factor Analysis and correlation analysis with depressive and prolonged grief symptoms were performed.
Results:
The results demonstrated an adequate content validation index for all items. EFA indicated a unidimensional construct, and the scale showed an excellent internal consistency (Cronbach's alpha = 0.90, McDonald's omega = 0.90) and concurrent validity.
Conclusions:
These findings indicate the reliability and validity of the Brazilian PG-13-R for assessing PGD symptoms.
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Translation
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life