Results of the analyses comparing the ALL group with sibling for the categorical data of the WCST
| Test measure | ALL mean (n = 19) | Siblings mean (n = 19) | Mean (SE) difference | Wilcoxon Z score | p Value |
|---|---|---|---|---|---|
| Categories completed (n) | 1.33 | 2.11 | 0.77 (0.78) | −0.73 | 0.46 |
| Trials to complete first category | 1.33 | 1.16 | 0.16 (0.27) | −0.55 | 0.58 |
| Failure to maintain set | 1.76 | 1.11 | 0.64 (0.36) | −1.68 | 0.05 (one tailed) |
| Learning to learn | 1.88 | 1.58 | 0.29 (0.46) | −0.21 | 0.83 |