Table 3 The correlation coefficients among variables representing the domain-specific early mathematics, the number-specific EFs, and the mathematics abilities for the overall pooled children (N = 505)
Variable | Dot-Dot comparison test | Dot-Number comparison test | Number comparison test | Mental number line | Numerical Stroop test | Numerical shifting test | Number sets test | Numerical operation test |
|---|---|---|---|---|---|---|---|---|
The domain-specific early mathematics | ||||||||
Dot-Dot comparison test | Â | Â | Â | Â | Â | Â | Â | Â |
Dot-Number comparison test | .61** | Â | Â | Â | Â | Â | Â | Â |
Number comparison test | .66** | .70** | Â | Â | Â | Â | Â | Â |
Mental number line | − .26** | − .30** | − .40** |  |  |  |  |  |
The number-specific EF | ||||||||
Numerical Stroop test | .64** | .58** | .70** | − .31** |  |  |  |  |
Numerical shifting test | .47** | .50** | .59** | − .24** | .58** |  |  |  |
Mathematics ability | ||||||||
Number sets test | .45** | .48** | .64** | − .43** | .50** | .48** |  |  |
Numerical operation test | .42** | .40** | .60** | − .44** | .44** | .39** | .61** |  |