Table III.
Percentage of simulated associations and false positives detected by the Fisher exact test for three values of the p‐value threshold and for moderate strength of lesion‐deficit associations
| No. Subjects | % True pos.* | % False pos.* | % True pos.** | % False pos.** | % True pos.*** | % False pos.*** |
|---|---|---|---|---|---|---|
| 500 | 84 | 35 | 72 | 4 | 55 | 0 |
| 1000 | 100 | 45 | 99 | 1 | 90 | 0 |
| 1500 | 100 | 35 | 100 | 4 | 97 | 0 |
| 2000 | 100 | 32 | 100 | 1 | 100 | 0 |
p ≤ 0.01, **p ≤ 0.001, ***p ≤ 0. 0001.