Results of the analyses comparing performance of the ALL group with sibling controls on measures of the WCST
| Test measure | ALL mean (n = 19) | Siblings mean (n = 19) | Mean (SE) difference | Wilcoxon Z score | p Value |
|---|---|---|---|---|---|
| Errors | 95.77 | 104.50 | −8.72 (5.86) | −1.28 | 0.20 |
| Perseverative responses | 96.77 | 100.55 | −3.77 (4.38) | −0.96 | 0.34 |
| Perseverative errors | 97.11 | 103.83 | −6.72 (5.26) | −1.37 | 0.17 |
| Non-perseverative errors | 94.88 | 106.16 | −11.27 (6.83) | −1.33 | 0.18 |
| Conceptual level responses | 92.88 | 102.50 | −9.61 (6.32) | −1.18 | 0.12 (one tailed) |