Table 1 Interpretation of FI (facility index values) of each question (adapted from Moodle Statistics, 2019a)
FI (%) | Interpretation |
|---|---|
< 5 | Extremely difficult or something wrong with the question |
6–10 | Very difficult |
11–20 | Difficult |
21–34 | Moderately difficult |
35–65 | About right for the average student |
66–80 | Fairly easy |
81–89 | Easy |
90–94 | Very easy |
95–100 | Extremely easy |