Table 4. Correlation matrix of the seven TCI dimensions and WISC-IV indices for monozygotic and dizygotic (twins #2).
Monozygotic N = 80 (blue fields), dizygotic N = 104 (white fields).
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperament | Novelty Seeking (1) | −.34** | −.09 | −.47** | −.17 | −.09 | −.06 | −.07 | −.19 | .01 | −.00 | −.09 | |
| Harm avoidance (2) | −.07 | .09 | .06 | −.29** | .02 | −.04 | .05 | .17 | −.04 | .07 | .13 | ||
| Reward dependence (3) | .02 | .15 | .20 | .19 | .66** | .31** | −.10 | −.02 | .07 | .06 | −.03 | ||
| Persistence (4) | −.30** | −.27** | .29** | .21 | .23* | .11 | .27 * | .28* | .19 | .14 | .26 * | ||
| Character | Cooperativeness (5) | −.36** | −.60** | .07 | .32** | .44** | −.23* | .01 | .01 | −.04 | −.06 | −.04 | |
| Self-transcendence (6) | −.18 | −.22* | .46** | .44** | .45** | .26* | .06 | .04 | .15 | .16 | .11 | ||
| Self-directedness (7) | .07 | −.01 | .22* | .29** | −.15 | .13 | −.04 | −.07 | .04 | .01 | .01 | ||
| Cognitive ability | Verbal Comprehension Index (8) | −.07 | −.09 | −.04 | .31 ** | .02 | .04 | −.11 | .65** | .59** | .52** | .90** | |
| Perceptual Reasoning Index (9) | −.11 | −.04 | −.08 | .16 | .03 | .00 | −.14 | .67** | .51** | .63** | .85** | ||
| Working Memory Index (10) | −.08 | −.03 | .10 | .21 * | .04 | .08 | −.02 | .59** | .55** | .52** | .73** | ||
| Processing Speed Index (11) | −.02 | .09 | .11 | .09 | −.04 | .11 | −.03 | .42** | .66** | .43** | .76** | ||
| Full Scale IQ (12) | −.08 | −.01 | .05 | .25 ** | .00 | .06 | −.08 | .88** | .87** | .76** | .70** |
Notes.
*
Correlation is significant at the 0.05 level (2-tailed).
**
Correlation is significant at the 0.01 level (2-tailed).