Multidimensional Fatigue Inventory (MFI-20) Test
Understand whether long-lasting tiredness is mainly physical, mental, or motivational in about 4 minutes. Get a clear, 20-item snapshot to guide care, rehab, or chronic fatigue tracking.
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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.
RESULTS YOU CAN ACTUALLY USE
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.
Physical asthenia (Pa)
Average
12.2
Normal range
9.5 — 15
min.
4
max.
20
Majority
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.
Decreased motivation (Dm)
Average
9.8
Normal range
7.5 — 12
min.
4
max.
20
Majority
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.
Reduced activity (Ra)
Average
8.2
Normal range
5.9 — 10.5
min.
4
max.
20
Majority
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.
General Asthenia (GA)
Average
10.2
Normal range
8.1 — 12.2
min.
4
max.
20
Majority
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.
Asthenia Scale (AS)
Average
43.1
Normal range
33.3 — 52.8
min.
20
max.
100
Majority
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.
Psychic Asthenia (PA)
Average
9.3
Normal range
7.1 — 11.6
min.
4
max.
20
Majority
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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CLEAR ANSWERS TO COMMON QUESTIONS
Frequently Asked Questions
What does this questionnaire measure?
It measures fatigue across five areas: general fatigue, physical fatigue, reduced activity, decreased motivation, and mental fatigue. Scores indicate which areas are most elevated.
How long does it take to complete and how many items are included?
It includes 20 items and typically takes about 4 minutes to complete.
What time period should be considered when answering?
Answer based on recent experience, using the timeframe stated in the item wording. If no timeframe is stated, use how things have been lately.
How should responses be selected?
Select the response option that best matches the current level of fatigue or energy for each statement. Use the full range of options and avoid leaving items blank when possible.
How are results used?
Results are used to describe patterns of fatigue and to track change over time in clinical or research settings. They do not provide a diagnosis by themselves.
WHAT THE TEST MEASURES
About This Assessment
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Multidimensional Fatigue Inventory (MFI-20) Test - Symptoms and Signs
Fatigue can be multifactorial, and the Multidimensional Fatigue Inventory (MFI-20) is a brief self-report measure designed to characterize fatigue across several domains. It helps differentiate patterns of physical, mental, and motivational fatigue experiences.
The instrument includes 20 items and is typically completed in about 4 minutes. Item content samples common fatigue-related complaints, supporting domain-level scoring that can inform clinical documentation and treatment planning. Smets, E. is commonly cited in relation to its development.
In clinical and research settings, the Multidimensional Fatigue Inventory (MFI-20) may be used to monitor fatigue severity and profile over time, including in medical illness, recovery, or rehabilitation contexts, as part of a broader assessment of symptoms and functioning.
Author: Smets, E.
Literature: Smets, E. M. A., Garssen, B., Bonke, B., & De Haes, J. C. J. M. The Multidimensional Fatigue Inventory (MFI) psychometric qualities of an instrument to assess fatigue. Journal of Psychosomatic Research. 1995.
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