Table 3.
Statistical parameters of the Reliable Change Index modified for practice measured in normative controls
| Cognitive test | r xx | PE | SEdiff |
|---|---|---|---|
| MMSE | 0.66 | 0.5*** | 0.9 |
| TMA | 0.71 | −7.6** | 14.0 |
| TMB | 0.60 | −9.0 | 29.1 |
| DS | 0.81 | 2.5* | 6.1 |
| Stroop W | 0.66 | 1.6*** | 5.7 |
| Stroop C | 0.84 | 3.0*** | 4.8 |
| Stroop CW | 0.80 | 5.1*** | 5.2 |
r xx test-retest reliability coefficient, PE practice effect, and SE diff standard error of the difference. The significance of PE was tested using paired t test. * p < 0.05; ** p < 0.01, and *** p < 0.001; MMSE Mini Mental State Examination, TMA Trail Making Test A, TMB Trail Making Test B, DS Digit Symbol test, Stroop W Stroop word task, Stroop C Stroop colour task and Stroop CW Stroop colour-word task