Table 1.
Descriptive statistics and zero-order correlations among the study variables.
| CU Traits | Age | Gender | Ext | VCI | PRI | WMI | PSI | |
|---|---|---|---|---|---|---|---|---|
| CU traits | 1 | |||||||
| Age | 0.093 | 1 | ||||||
| Gender | 0.064 | 0.177 * | 1 | |||||
| Ext | 0.055 | 0.001 | 0.036 | 1 | ||||
| VCI | −0.339 ** | 0.078 | 0.074 | 0.089 | 1 | |||
| PRI | −0.266 ** | −0.034 | 0.061 | 0.006 | 0.399 ** | 1 | ||
| WMI | −0.045 | 0.102 | 0.026 | 0.043 | 0.275 ** | 0.377 ** | 1 | |
| PSI | −0.085 | 0.144 | −0.173 * | 0.077 | 0.245 ** | 0.298 ** | 0.270 ** | 1 |
| Mean | 3.97 | 9.63 | - | 65.77 | 103.35 | 106.50 | 89.49 | 91.28 |
| SD | 2.30 | 2.09 | - | 9.42 | 13.38 | 15.75 | 13.89 | 15.49 |
Note. CU: callous–unemotional; Ext: externalizing problems; VCI: verbal comprehension index; PRI: perceptual reasoning index; WMI: working memory index; PSI: processing speed index. * p ≤ 0.05; ** p ≤ 0.001.