Table 4.
Selected correlations between the test variables for all probands (n = 64), shown as rho of Spearman-rank correlation
| WCST | FWIT | TMT | D2 | ||
|---|---|---|---|---|---|
| PCT | Errors | Action | A | GZ | |
| WCST | |||||
| PCT, Percentage of correct trials | −0.354** | 0.316* | −0.357** | −0.387** | |
| FWIT | |||||
| Errors | −0.354** | −0.471** | 0.347** | −0.331** | |
| Action, Speed of a general alertness | 0.316* | −0.471** | −0.416** | 0.627** | |
| TMT | |||||
| A, Time to execute TMT part A as an inverse indicator of working speed | −0.357** | 0.347** | −0.416** | −0.463** | |
| d2 | |||||
| GZ, Number of treated signs as an indicator of working speed | 0.387** | −0.331** | 0.627** | −0.463** | |
*Correlation two-sited significant at the level of 0.05
**Correlation two-sited significant at the level of 0.01