OU role | VLE 'role' | Access |
Student | Student | Students can review their own iCMAs. |
Associate lecturer | Tutor | ALs can review the iCMAs of all students in their tutor group. |
Module Team | Website updater | Module team members with the Website updater role can review the iCMAs of all students on the module and access the various analyses. |
CIC | 100 | 99 | 96 | 91 | 84 | 75 | 64 | 51 |
ER | 0 | 10 | 20 | 30 | 40 | 50 | 60 | 70 |
F | Interpretation | 35 - 64 | About right for the average student. |
5 or less | Extremely difficult or something wrong with the question. | 66 - 80 | Fairly easy. |
6 - 10 | Very difficult. | 81 - 89 | Easy. |
11 - 20 | Difficult. | 90 - 94 | Very easy. |
20 - 34 | Moderately difficult. | 95 - 100 | Extremely easy. |
50 and above | Very good discrimination |
30 – 50 | Adequate discrimination |
20 - 29 | Weak discrimination |
0 - 19 | Very weak discrimination |
-ve | Question probably invalid |