Table 1.
Age distribution of the participants.
Figure 1.
Constructed items illustrating the left-right reversal and the lexical decision tasks.
Table 2.
Intraclass correlations by zygosity, genetic model parameter estimates, and nested model statistics of each variable controlling for age.
Table 3.
Intraclass correlations by zygosity, genetic model parameter estimates, and nested model statistics of each variable controlling for age and nonverbal reasoning.
Table 4.
A comparison of heritability estimates of language and reading skills in past twin studies and the present Chinese twin study.