Depression, Anxiety and Stress Scale-21 (DASS-21)
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I found it hard to wind down

FAQs

What is the Depression, Anxiety and Stress Scale-21 (DASS-21)?

The DASS-21 is a comprehensive self-report measure that assesses three related negative emotional states: depression, anxiety, and stress.

Who developed the DASS-21 and when?

Developed by Lovibond and Lovibond in 1995, refined from the original 42-item DASS.

What type of assessment is the DASS-21?

It is a self-report questionnaire providing dimensional assessment of psychological distress.

What does the DASS-21 assess?

  • Depression: Dysphoria, hopelessness, devaluation of life, self-deprecation, lack of interest/involvement, anhedonia, inertia
  • Anxiety: Autonomic arousal, skeletal muscle effects, situational anxiety, subjective experience of anxious affect
  • Stress: Difficulty relaxing, nervous arousal, easily upset/agitated, irritable/over-reactive, impatient

How many items and what format?

21 items (7 per scale), rated on a 4-point severity scale (0-3).

How is the DASS-21 scored?

Each scale scored separately, then doubled to match DASS-42 norms. Ranges: Depression (0-42), Anxiety (0-42), Stress (0-42).

Who can use the DASS-21?

Adults and adolescents (14+) in clinical, research, and community settings.

What are the strengths of the DASS-21?

Distinguishes between depression, anxiety, and stress; excellent psychometric properties; brief and comprehensive.

What are the limitations of the DASS-21?

Not a diagnostic tool; requires clinical interpretation for treatment planning.