MFIS is a self-report measure of fatigue consisting of how many items?

MFIS is a self-report measure of fatigue consisting of how many items?

• A. 10 items
• B. 21 items
• C. 30 items
• D. 40 items

Answer: (B)

The main idea tested is how MFIS function as a concise self-report tool for fatigue: it uses a fixed set of 21 items to gauge how fatigue affects daily life. This 21-item format was chosen to balance thoroughness with practicality, covering physical, cognitive, and psychosocial aspects of fatigue while remaining quick to complete. Each item is rated on a 0–4 frequency scale, and higher total scores reflect greater impact of fatigue on functioning. This combination of brevity and domain coverage is what defines MFIS, making 21 the correct item count.

The main idea tested is how MFIS function as a concise self-report tool for fatigue: it uses a fixed set of 21 items to gauge how fatigue affects daily life. This 21-item format was chosen to balance thoroughness with practicality, covering physical, cognitive, and psychosocial aspects of fatigue while remaining quick to complete. Each item is rated on a 0–4 frequency scale, and higher total scores reflect greater impact of fatigue on functioning. This combination of brevity and domain coverage is what defines MFIS, making 21 the correct item count.