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Number of functional distractors per item
| Number of functional distractors per question | Y03 | Y04 | Y05 | Overall |
|---|---|---|---|---|
| Zero | 18 (12.9 %) | 39 (19.5 %) | 11 (7.9 %) | 68 (14.2 %) |
| One | 35 (25.0 %) | 59 (29.5 %) | 33 (23.6 %) | 127 (26.5 %) |
| Two | 43 (30.7 %) | 61 (30.5 %) | 55 (39.3 % | 159 (33.1 %) |
| Three | 32 (22.9 %) | 30 (15.0 %) | 30 (21.4 %) | 92 (19.2 %) |
| Four | 12 (8.6 %) | 11 (5.5 %) | 11 (7.9 %) | 34 (7.1 %) |
| Average | 1.89 | 1.58 | 1.98 | 1.82 |
