Depression Anxiety Stress Scales (DASS)

The Depression Anxiety Stress Scales (DASS-21) assesses symptoms of depression, anxiety, and stress in adults using a 21-item questionnaire. Each item is rated on a 4-point Likert scale ranging from 0 (did not apply to me) to 3 (applied to me very much or most of the time). Click here to see a full pdf of the DASS scale.

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Two studies that are worth reading regarding the Depression Anxiety Stress Scales (DASS) are:

Antony, M. M., Bieling, P. J., Cox, B. J., Enns, M. W., & Swinson, R. P. (1998). Psychometric properties of the 42-item and 21-item versions of the Depression Anxiety Stress Scales in clinical groups and a community sample. Psychological Assessment, 10(2), 176-181.

Henry, J. D., & Crawford, J. R. (2005). The short-form version of the Depression Anxiety Stress Scales DASS-21): Construct validity and normative data in a large non-clinical sample. British Journal of Clinical Psychology, 44(2), 227-239.

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2 thoughts on “Depression Anxiety Stress Scales (DASS)”

    1. DAS-4 has good internal consistency, as well as good discriminant and predictive validity: Check out Development and validation of a brief version of the dyadic adjustment scale with a nonparametric item analysis model by Sabourin, Valois, & Lussier, 2005 in Psychological Assessment.

      Hope that helps.

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