Table 3 Number and percent of items with nonfunctioning distractors for 3- and 4-option MCI ITEs
ITE-CCM | ITE-PA | |||||||
|---|---|---|---|---|---|---|---|---|
2019, 4-opt | 2020, 3-opt | 2019, 4-opt | 2020, 3-opt | |||||
n | % | n | % | n | % | n | % | |
Traditional method | ||||||||
0 | 12 | 8.0 | 58 | 38.7 | 6 | 4.0 | 45 | 30.0 |
1 | 65 | 43.3 | 73 | 48.7 | 42 | 28.0 | 72 | 48.0 |
2 | 53 | 35.3 | 19 | 12.7 | 66 | 44.0 | 33 | 22.0 |
3 | 20 | 13.3 | - | - | 36 | 24.0 | - | - |
Total | 150 | 100 | 150 | 100 | 150 | 100 | 150 | 100 |
Sliding scale method | ||||||||
0 | 27 | 18.0 | 88 | 58.7 | 19 | 12.7 | 78 | 52.0 |
1 | 86 | 57.3 | 59 | 39.3 | 68 | 45.3 | 61 | 40.7 |
2 | 35 | 23.3 | 3 | 2.0 | 55 | 36.7 | 11 | 7.3 |
3 | 2 | 1.3 | - | - | 8 | 5.3 | - | - |
Total | 150 | 100 | 150 | 100 | 150 | 100 | 150 | 100 |