Harkness, A. R., McNulty, J. L., Finn, J. A., Reynolds, S. M., & Shields, S. M. (2014). The MMPI–2–RF Personality Psychopathology Five (PSY–5–RF) Scales: Development and validity research. Journal of Personality Assessment, 96(2), 140–150. https://doi.org/10.1080/00223891.2013.823439