Scale name: Depression Anxiety Stress Scales (DASS) Scale overview: The Depression Anxiety Stress Scales (DASS-21) is a 21-item screening instrument for the three psychological conditions of depression, anxiety, and stress. Note : There is a 42-item version of the DASS. This post focuses on the 21-item version. Authors: Lovibond, S. H., & Lovibond, P. F. (1995) Response Type: Items are rated on a 4-point scale of frequency. 0 = Did not apply to me at all. 1= Applied to me to some degree, or some of the time. 2= Applied to me to a considerable degree, or a good part of time. 3 = Applied to me very much, or most of the time. Scale items Each of the three scales (Depression, Anxiety, Stress) has 7-items worded in the first person e.g., “I felt…” or “I experienced…” and so forth. Reliability: Internal consistency values based on Cronbach Alpha calculations were strong for the DASS-21 (Antony et al., 1988). Depression = .94 Anxiety = .87 St...
Find tests, questionnaires, examples of charts, and tips on statistics related to psychology, counseling, social work and other behavioral science fields. I may earn from purchases of advertised or linked products. Note: Most tests and questionnaires are for research purposes and not for personal assessment. Readers interested in personal evaluations should consult a psychologist or other qualified provider.