Chronic Fatigue Severity Scale Test
In about 7 minutes, see how emotional, physical, and mental fatigue may be building beyond everyday tiredness. Catch early warning signs and get clear next steps to recover and prevent burnout.
08:30
Scale Explorer
How the Scales are Structured
DATA-BASED USER COHORTS
Who Usually Takes This Test?
BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.
Benchmarking
See How You Compare
Once you complete the test, your results are compared with real-world data from people in your country.
Below is a preview of how scores are typically distributed across each scale.
Below is a preview of how scores are typically distributed across each scale.
Scale 4 (S4)
Scale 4 (S4)
Average
5.7
Normal range
3.9 — 7.4
min.
0
max.
10
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Scale 3 (S3)
Scale 3 (S3)
Average
7.6
Normal range
5.6 — 9.6
min.
0
max.
12
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Scale 2 (S2)
Scale 2 (S2)
Average
10.9
Normal range
7.4 — 14.5
min.
0
max.
20
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Scale 1 (S1)
Scale 1 (S1)
Average
15.8
Normal range
10.8 — 20.7
min.
0
max.
30
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Chronic Fatigue Index (CFI)
Chronic Fatigue Index (CFI)
Average
21.9
Normal range
10.2 — 33.6
min.
0
max.
72
This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.
Once you complete the test, your result will appear on the scale so you can see how you compare.
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SAMPLE QUESTIONS
Example Questions From the Test
Please read each of the statements below carefully and consider how you have typically felt over the past several months. If a statement matches your usual experience, select “Yes”; otherwise, select “No.” If you are unsure which response to choose, select the intermediate response.
- Yes
- Not sure
- No
- Yes
- Not sure
- No
- Yes
- Not sure
- No
WHAT THE TEST MEASURES
About This Assessment
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Chronic Fatigue Severity Scale Test - Symptoms and Signs
Persistent fatigue may reflect more than transient tiredness and can warrant structured assessment. The Chronic Fatigue Severity Scale is a self-report measure designed to screen the severity and functional impact of ongoing fatigue symptoms. It includes 36 items and typically takes about 7 minutes to complete.
Items generally sample fatigue-related experiences across physical, emotional, and cognitive domains to support a multidimensional profile of symptom burden. Results from the Chronic Fatigue Severity Scale can help inform clinical interviewing, triage for further medical or psychological evaluation, and monitoring of change over time in occupational health or general clinical settings. The measure is attributed to David A. Kosinski.
Author: David A. Kosinski
Literature: Jason, L. A., Evans, M., Brown, M., & Porter, N. Chronic fatigue syndrome: A review of epidemiology, diagnosis, and treatment. Journal of Clinical Psychology. 2010.
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