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 | |||||||
Data of non-symbolic estimation of time, space and number (ANS) refer to the five highest ratios.