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This self-report measure assesses broad personality traits consistent with the five-factor model. The Big Five Inventory (BFI) is commonly used to characterize individual differences across major trait domains in research and applied settings.
Developed by Oliver P. John and Sanjay Srivastava, it includes 40 items and typically takes about 8 minutes to complete. Respondents rate how well brief statements describe them; results provide trait scores that can support clinical case formulation, psychoeducation, and outcome monitoring when interpreted within the broader assessment context.
The Big Five Inventory (BFI) is not a diagnostic instrument and should be interpreted alongside clinical interview findings, collateral information, and other validated measures as appropriate.