Table 3 Correlations (accuracy) among the tasks (* = p < 0.05; ** = p < 0.01; *** = p < 0.001)
Non-symbolic magnitude estimation | Symbolic numerical task | Control task | |||||
|---|---|---|---|---|---|---|---|
Time | Space | Number | Number | Mental | Mathematical | Stroop test | |
(OTS) | (ANS) | Calculation | Reasoning | ||||
Time | r = -0.178 | r = -0.141 | r = 0.278 | r = 0.179 | r = 0.049 | r = -0.074 | |
P = 0.307 | P = 0.418 | P = 0.106 | P = 0.304 | P = 0.782 | P = 0.674 | ||
Space | r = 0.112 | r = -0.263 | r = -0.120 | r = -0.020 | r = 0.033 | ||
P = 0.520 | P = 0.126 | P = 0.493 | P = 0.910 | P = 0.850 | |||
Number (OTS) | r = 0.048 | r = 0.480 | r = 0.368 | r = 0.195 | |||
P = 0.785 | P = 0.003 ** | P = 0.030 * | P = 0.262 | ||||
Number (ANS) | r = 0.463 | r = 0.489 | r = -0.045 | ||||
P = 0.005 ** | P = 0.003 ** | P = 0.799 | |||||
Mental calculation | r = 0.566 | r = 0.156 | |||||
P < 0.001 *** | P = 0.371 | ||||||
Mathematical reasoning | r = 0.010 | ||||||
P = 0.954 | |||||||