Mullins-Sweatt, S. ., Jamerson, J. ., Samuel, D. ., Olson, D. ., & Widiger, T. . (2006). Psychometric properties of an abbreviated instrument of the five-factor model. Assessment, 13(2), 119-37. https://doi.org/10.1177/1073191106286748
DR Olson
First name: 
                  DR
            Last name: 
                  Olson