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Trends in Psychiatry and Psychotherapy

Print version ISSN 2237-6089On-line version ISSN 2238-0019


SILVA, Thiago Loreto Garcia da et al. Psychometric properties of the Posttraumatic Growth Inventory in a sample of Brazilian university students. Trends Psychiatry Psychother. [online]. 2018, vol.40, n.4, pp.292-299. ISSN 2238-0019.


To examine psychometric properties of the Brazilian version of the Posttraumatic Growth Inventory (PTGI).


A total of 300 university students were evaluated though instruments that investigated trauma history, depression and posttraumatic symptoms, and personality traits through the Big Five model. Pearson's correlation was used to assess internal consistency, inter-item reliability and construct validity. Principal component analysis and confirmatory factor analysis were performed to investigate the factor structure of the PTGI.


Results confirmed the original five-factor structure. The results showed good internal consistency for the total scale (α = 0.91) and its subscales, ranging from α = 0.85 to α = 0.70. Also, evidence of construct and convergent validity was observed through correlations with posttraumatic and depression symptoms and personality measures.


These preliminary results suggest that the Brazilian PTGI is reliable and showed adequate evidence of validity.

Keywords : Psychological trauma; stress disorders; posttraumatic; validation studies; psychometrics.

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