Gallavan, D.B., Newman, J.L. (2013). Predictors of burnout among correctional mental health professionals. Psychological Services, 10(1), 115-122.
Stamm, B.H. (2005). The Professional Quality of Life Scale: Compassion Satisfaction, Burnout & Compassion Fatigue/Secondary Trauma Scales. Lutherville, MD: Sidran Press.
Construct validity also well documented in over 200 articles- see:
Stamm, B.H. (1999). Secondary Traumatic Stress: Self-Care Issues for Clinicians, Researchers, and Educators, (2nd ed.). Baltimore: Sidran Press.
Thomas, J.T., Otis, M.D. (2010). Intrapsychic correlates of professional quality of life: Mindfulness, empathy, and separation. Journal of the Society for Social Work and Research, 1(2), 83-98.