Table 2 Number and percent of 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 | ||||||||
Frequency | 188 | 41.8 | 77 | 25.7 | 241 | 53.6 | 107 | 35.7 |
Discrimination | 82 | 18.2 | 46 | 15.3 | 89 | 19.8 | 52 | 17.3 |
Frequency and/or discrimination | 231 | 51.3 | 111 | 37.0 | 282 | 62.7 | 138 | 46.0 |
Sliding scale method | ||||||||
Frequency | 101 | 22.4 | 24 | 8.0 | 132 | 29.3 | 35 | 11.7 |
Discrimination | 82 | 18.2 | 46 | 15.3 | 89 | 19.8 | 52 | 17.3 |
Frequency and/or discrimination | 162 | 36.0 | 65 | 21.7 | 202 | 44.9 | 83 | 27.7 |