Trends in Psychiatry and Psychotherapy
https://trends.org.br/article/doi/10.47626/2237-6089-2021-0458
Trends in Psychiatry and Psychotherapy
Original Article

Psychometric properties of the Brazilian version of the Big Five Inventory

Paulo Roberto Soares Roiz Junior, Dartiu Xavier da Silveira, Paulo César Ribeiro Barbosa, Murilo Almeida dos Santos Torres, Eliseu da Cruz Moreira Junior, Kelcy Catherina Nema Areco, Ruama Thame Alves de Oliveira, Allan Gama Tazitu, João Ariel Bonar Fernandes, Marcos Gimenes Fernandes, Silvana Kertzer Kasinski

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Abstract

Introduction
There is growing interest in the fields of psychiatry and psychology in investigating the relationship between personality and psychopathology. The Big-5 is a model developed to investigate five personality dimensions: Extroversion, Agreeableness, Conscientiousness, Neuroticism, and Openness. In the present study, we describe the process of translation into Brazilian Portuguese and adaptation of a free tool to evaluate the Big-5 model: The Big-5 Inventory (BFI). The instrument has 44 items with a Likert response scale ranging from 1 to 5.

Objectives
To translate and adapt the BFI into Brazilian Portuguese.

Methods
The adaptation was conducted in the following steps: 1) Translation, 2) Evaluation Committee, 3) Back-translation, 4) Pilot study, 5) Evaluation Committee, and 6) Application. The sample comprised 490 participants from various regions of Brazil. The participants’ ages ranged from 18 to 71 years, most of them had completed high school (62.9%), and the majority were women (75%).

Results
A model with the following fit indexes was found: χ2/df: 1.954; goodness fit index (GFI): 0.924; comparative fit index (CFI): 0.920; and root mean square error of approximation (RMSEA): 0.044.

Conclusion
The results are suggestive that the Brazilian version of this instrument has good psychometric properties and represent a cost-free option for investigating associations with the Big-5 in psychiatry.

Keywords

Personality, BFI, cross-cultural adaptation

Submitted date:
03/09/2021

Accepted date:
04/19/2022

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