Table 1 Physician performance and item characteristics for 3- and 4-option MCI ITEs
Percent-correct Score, Mean ± SD | Response time (seconds per item), Mean \(\pm\) SD | Response speed (seconds per word), Mean \(\pm\) SD | Item difficulty, Mean \(\pm\) SD | Item discrimination, Mean \(\pm\) SD | |
|---|---|---|---|---|---|
ITE-CCM | |||||
4-option | 65.7 \(\pm\) 6.9 | 58.9 \(\pm\) 22.8 | 0.98 \(\pm\) 0.53 | 0.66 \(\pm\) 0.21 | 0.13 \(\pm\) 0.09 |
3-option | 67.7 \(\pm\) 6.7 | 55.5 \(\pm\) 20.8 | 0.97 \(\pm\) 0.51 | 0.68 \(\pm\) 0.20 | 0.12 \(\pm\) 0.10 |
Mean difference | 2.1* | -3.4*** | -0.01 | 0.02*** | -0.01 |
ITE-PA | |||||
4-option | 71.8 \(\pm\) 5.0 | 47.5 \(\pm\) 19.0 | 1.19 \(\pm\) 0.44 | 0.72 \(\pm\) 0.25 | 0.08 \(\pm\) 0.11 |
3-option | 71.7 \(\pm\) 5.4 | 46.2 \(\pm\) 18.4 | 1.25 \(\pm\) 0.45 | 0.72 \(\pm\) 0.24 | 0.09 \(\pm\) 0.11 |
Mean difference | -0.1 | -1.3** | 0.06 *** | 0 | 0.02 |