Table 3 Simulated CAT results
Simulation | N | Item Bank Utilization | Mean # items / respondent | Min T-Score [Min with SE < 3] | Max T-Score [Max with SE < 3] | Final SE > 3.0 |
|---|---|---|---|---|---|---|
M = 50, SD = 10 General Population | 2500 | 41% | 9.6 | 20.3 [20.3] | 61.0 [49.1] | 57% |
M = 42, SD = 10 Slightly Impaired | 2500 | 43% | 7.4 | 14.6 [14.6] | 61.0 [49.3] | 29% |
M = 35, SD = 7 Impaired, Minimal Variability | 2500 | 43% | 5.2 | 14.6 [14.6] | 61.0 [49.2] | 5% |
M = 35, SD = 15 Impaired, Large Variability | 2500 | 46% | 6.3 | 14.6 [14.6] | 61.0 [49.2] | 20% |
M = 25, SD = 10 Highly-Impaired | 2500 | 46% | 4.3 | 14.6 [14.6] | 61.0 [48.0] | 1% |