Table 9 Summary of performing and discriminating distractors
| Â | Structure section (31 items) | Reading section (8 items) | ||||
|---|---|---|---|---|---|---|
3-option test | 4-option test | 5-option test | 3-option test | 4-option test | 5-option test | |
Mean performing distractors per item | 0.87 | 0.77 | 0.94 | 1.25 | 0.75 | 0.88 |
Items with: | Â | Â | Â | Â | Â | Â |
3 performing distractors | n/a | 0 | 0 | n/a | 1 | 0 |
2 performing distractors | 5 | 3 | 4 | 3 | 0 | 2 |
1 performing distractor | 17 | 18 | 21 | 4 | 3 | 3 |
Non performing distractors | 9 | 10 | 6 | 1 | 4 | 3 |
Mean discriminating distractors per item | 1.23 | 1.07 | 0.94 | 1.13 | 0.75 | 0.75 |
Items with: | Â | Â | Â | Â | Â | Â |
3 discriminating distractors | n/a | 0 | 0 | n/a | 0 | 0 |
2 discriminating distractors | 9 | 8 | 5 | 2 | 1 | 1 |
1 discriminating distractor | 20 | 17 | 19 | 5 | 4 | 4 |
Non discriminating distractors | 2 | 6 | 7 | 1 | 3 | 3 |