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Zung Self-Rating Depression Scale (SDS)

Online test

Other depression tests:

BDI-II SDS HADS MDI

Zung Self-Rating Depression Scale (SDS) is one of the most widely used questionnaires for assessing the severity of depression. It reflects key symptoms such as low mood, fatigue, sleep disturbances, and changes in overall well-being.

The test is intended for self-assessment and allows a quantitative evaluation of symptom severity. It can be used repeatedly to monitor changes over time. It is important to note that the result is not a medical diagnosis and does not replace consultation with a specialist.

Online test

Instructions:

The test includes 20 items that determine four levels of depression severity. Read each statement carefully and select the option that best reflects how often you experienced the described states during the past week. Answer intuitively — there are no “right” or “wrong” answers.

1. I feel downhearted and depressed

Never or rarely

Sometimes

Often

Most of the time or constantly

2. I feel best in the morning

Never or rarely

Sometimes

Often

Most of the time or constantly

3. I have periods of crying or feel like crying

Never or rarely

Sometimes

Often

Most of the time or constantly

4. I have trouble sleeping at night

Never or rarely

Sometimes

Often

Most of the time or constantly

5. My appetite is no worse than usual

Never or rarely

Sometimes

Often

Most of the time or constantly

6. I enjoy looking at, talking to, and being around attractive women/men

Never or rarely

Sometimes

Often

Most of the time or constantly

7. I notice that I am losing weight

Never or rarely

Sometimes

Often

Most of the time or constantly

8. I am troubled by constipation

Never or rarely

Sometimes

Often

Most of the time or constantly

9. My heart beats faster than usual

Never or rarely

Sometimes

Often

Most of the time or constantly

10. I get tired for no reason

Never or rarely

Sometimes

Often

Most of the time or constantly

11. I think as clearly as ever

Never or rarely

Sometimes

Often

Most of the time or constantly

12. I find it easy to do the things I used to do

Never or rarely

Sometimes

Often

Most of the time or constantly

13. I feel restless and cannot sit still

Never or rarely

Sometimes

Often

Most of the time or constantly

14. I feel hopeful about the future

Never or rarely

Sometimes

Often

Most of the time or constantly

15. I am more irritable than usual

Never or rarely

Sometimes

Often

Most of the time or constantly

16. I find it easy to make decisions

Never or rarely

Sometimes

Often

Most of the time or constantly

17. I feel that I am useful and needed

Never or rarely

Sometimes

Often

Most of the time or constantly

18. I feel that my life is fairly full

Never or rarely

Sometimes

Often

Most of the time or constantly

19. I feel that others would be better off if I were dead

Never or rarely

Sometimes

Often

Most of the time or constantly

20. I still enjoy the things I used to enjoy

Never or rarely

Sometimes

Often

Most of the time or constantly