Table 2.
Measure | r MZ (N) (95%CI) | r DZ (N) (95%CI) |
---|---|---|
Number Sense accuracy | .35 (730) | .18 (1175) |
(.28–.41) | (.13–.24) | |
Weber Fraction | .31 (700) | .15 (1140) |
(.24–.38) | (.09–.20) |
rMZ = intraclass correlation for monozygotic twins; rDZ = intraclass correlation for dizygotic twins; N = number of complete pairs; 95% CI = 95% confidence intervals.