Big Five Inventory‐2 (Long form)

Measure Definition:

This is a revised version of the original Big Five Inventory. It has been refined and expanded to measure 15 facets across the five domains.



Construct Definition (and Source):

The complex of all the attributes--behavioral, temperamental, emotional and mental--that characterize a unique individual. (NCI)

Selected References

Citation PubMed ID

Soto, C. J., & John, O. P. (2017). The next Big Five Inventory (BFI-2): Developing and assessing a hierarchical model with 15 facets to enhance bandwidth, fidelity, and predictive power. Journal of personality and social psychology, 113(1), 117–143.