Depression Anxiety Stress Scales (DSSS)
Name of questionnaire | Depression Anxiety Stress Scales (DSSS) |
Type of questionnaire-description,age | Measures the negative emotional states of depression, anxiety, and stress in ages 14 and above |
Number of items | 42 items |
Number of domains & categories | 3 scales |
Name of categories/domains /scales | Depression, anxiety, stress scales |
Scaling of items | 0-3 Likert scale |
Scoring available: with permission or free | Free |
Scoring Test-retest reliability | Yes |
Scoring Internal consistency | Yes, Cronbach's alpha scores rate the Depression scale at 0.91, the Anxiety scale at 0.84 and the Stress scale at 0.90 |
Validity | Yes. In addition, DASS Anxiety scale correlated 0.81 with the Beck Anxiety Inventory, and the DASS Depression scale correlated 0.74 with the Bbeck Depression Inventory |
Language | English |
Translations in other languages (if yes, then list the languages) | 28 languages |
Developer name | Peter Lovibond, PhD |
Developer contact information | p.lovibond@unsw.edu.au |
Availability of questionnaire: needs permission from developer, cost or freely available | Public domain; free; manual requires a fee |
Limitations | Measures symptoms over prior 1 week |
Link to the questionnaire (if available) | Click Here to View the Questionaire |
Other comments | Patient-rated scale, also available in a short version (DASS21) |
References (including original publication) | Lovibond, S.H. & Lovibond, P.F. (1995). Manual for the Depression Anxiety Stress Scales. (2nd. Ed.) Sydney: Psychology Foundation. |
Lovibond, P.F. & Lovibond, S.H. (1995). The structure of negative emotional states: Comparison of the Depression Anxiety Stress Scales (DASS) with the Beck Depression and Anxiety Inventories. Behaviour Research and Therapy, 33, 335-343. | |
Brown TA, Chorpita BF, Korotitsch W, Barlow DH. Psychometric properties of the Depression Anxiety Stress Scales (DASS) in clinical samples. Psych Behav Res Ther. 1997 Jan;35(1):79-89. |