Table 2. Correlation matrix, mean and standard deviation of the seven personality dimensions and all four WISC-IV indices and IQ score using twins #2.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | M | SD | N | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperament | Novelty Seeking (1) | −.16* | −.03 | −.37** | −.15* | .02 | −.29** | −.07 | −.14 | −.05 | −.01 | −.08 | 22.33 | 5.98 | 184 | |
| Harm Avoidance (2) | .12 | −.13 | −.12 | −.02 | −.49** | −.03 | .05 | −.03 | .08 | .05 | 15.89 | 6.55 | 184 | |||
| Reward Dependence (3) | .25** | .55** | .26** | .12 | −.06 | −.05 | .09 | .09 | .02 | 13.78 | 3.87 | 184 | ||||
| Persistence (4) | .34** | .21** | .26** | .29 ** | .22 ** | .19 ** | .11 | .26 ** | 4.18 | 2.08 | 184 | |||||
| Character | Cooperativeness (5) | .19* | .44** | .05 | .02 | .11 | .13 | .08 | 29.78 | 6.11 | 184 | |||||
| Self-transcendence (6) | −.19** | −.08 | −.11 | .01 | −.01 | −.05 | 11.49 | 5.79 | 184 | |||||||
| Self-directedness (7) | .01 | .02 | .01 | −.06 | −.02 | 27.64 | 6.86 | 184 | ||||||||
| Cognitive ability | Verbal comprehension Index (8) | .66** | .59** | .46** | .89** | 97.50 | 21.93 | 184 | ||||||||
| Perceptual Reasoning Index (9) | .54** | .64** | .86** | 101.20 | 15.67 | 184 | ||||||||||
| Working Memory Index (10) | .46** | .75** | 93.91 | 15.43 | 184 | |||||||||||
| Processing Speed Index (11) | .73** | 93.45 | 16.43 | 184 | ||||||||||||
| Full Scale IQ (12) | 96.19 | 17.99 | 181 |
Notes.
*
Correlation is significant at the 0.05 level (2-tailed).
**
Correlation is significant at the 0.01 level (2-tailed).