The WBTH scale is a 95-item self-report inventory. The questions in this scale exactly parallel the questions in the Childhood PTSD Interview and can be used as a complement to the interview. It includes 63 DSM-IV symptom items (3 - 6 per symptom) and 32 associated symptom items (2 - 5 questions per associated symptom).
Items are rated on a 3-point frequency scale ("Never", "Some", "Lots"). The WBTH yields a categorical diagnosis of PTSD as well as a continuous severity score (a scoring system template is provided with the scale). It has a third-grade reading level and includes a parent report version. It is appropriate for use in either a research or clinical setting.
Fletcher, K. (1996). Psychometric review of the When Bad Things Happen Scale (WBTH). In B. H. Stamm (Ed.), Measurement of stress, trauma, and adaptation (pp. 435-437). Lutherville, MD: Sidran Press.
Nader, K. O. (2004). Assessing traumatic experiences in children and adolescents: Self-reports of DSM PTSD Criteria B-D symptoms. In J. Wilson & T. Keane (Eds.), Assessing psychological trauma and PTSD, 2nd ed. (pp. 513-537). New York: Guilford Press.
Kenneth E. Fletcher, PhD
Department of Psychiatry
University of Massachusetts Medical Center
55 Lake Avenue North
Worcester, MA 01655-0001
Phone: (508) 856-3329
Measure availability: Information on measures is available to everyone. However, the assessment tools themselves can only be distributed to qualified mental health professionals and researchers. We maintain measures developed by affiliated staff of the National Center for PTSD.