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The Bangla Big Five Inventory-2: a comprehensive psychometric validation.

Mushfiqul Anwar Siraji1, Fahria Karim1, Christopher J Soto2

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The Bangla Big Five Inventory-2 (BFI-2-B) is a validated personality assessment tool for Bangladesh. It shows good reliability and validity, though linguistic nuances need further attention for broader cross-cultural use.

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Area of Science:

  • Psychology
  • Cross-cultural Psychology
  • Psychometrics

Background:

  • The Big Five Inventory-2 (BFI-2) is a standard personality assessment, but its use in non-Western contexts like Bangladesh is not established.
  • Validating personality measures in diverse cultural settings is crucial for accurate psychological research and application.

Purpose of the Study:

  • To validate the Bangla Big Five-2 (BFI-2-B) in a Bangladeshi community sample.
  • To provide a culturally adapted and psychometrically sound personality assessment tool for Bangladesh.

Main Methods:

  • A cross-sectional survey of 1,095 participants, with 646 meeting attention criteria.
  • Exploratory Structural Equation Modeling (ESEM) for domain-level validity and Confirmatory Factor Analysis (CFA) for facet-level validity.
  • Measurement invariance testing across gender, education, and language, alongside Item Response Theory (IRT) and convergent/discriminant validity analyses.

Main Results:

  • The BFI-2-B demonstrated high internal consistency for domains and most facets.
  • ESEM and CFA confirmed structural validity at domain and facet levels, respectively.
  • Full measurement invariance was found across gender and education, but weak invariance across languages, indicating linguistic challenges. Strong convergent and discriminant validity were established.

Conclusions:

  • The Bangla BFI-2 (BFI-2-B) is a reliable and valid personality assessment tool for the Bangladeshi context.
  • Further research addressing linguistic nuances and diverse samples is recommended to enhance cross-cultural applicability.