Table 4.
Correlations (reaction time) 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 = -0.192 |
r = -0.201 |
r = -0.168 |
r = -0.129 |
r = -0.017 |
r = 0.234 |
| |
P = 0.268 |
P = 0.247 |
P = 0.334 |
P = 0.459 |
P = 0.921 |
P = 0.176 |
|
| Space |
|
|
r = -0.036 |
r = 0.284 |
r = 0.134 |
r = 0.165 |
r = -0.214 |
| |
|
P = 0.846 |
P = 0.099 |
P = 0.443 |
P = 0.344 |
P = 0.218 |
|
| Number (OTS) |
|
|
|
r = 0.522 |
r = 0.599 |
r = 0.377 |
r = 0.124 |
| |
|
|
P = 0.001** |
P < 0.001*** |
P = 0.026 * |
P = 0.479 |
|
| Number |
|
|
|
|
r = 0.391 |
r = 0.449 |
r = -0.017 |
| (ANS) |
|
|
|
|
P = 0.020 * |
P = 0.007 ** |
P = 0.921 |
| Mental calculation |
|
|
|
|
|
r = 0.408 |
r = -0.117 |
| |
|
|
|
|
P = 0.015 * |
P = 0.502 |
|
| Mathematical reasoning |
|
|
|
|
|
|
r = -0.317 |
| P = 0.064 | |||||||
Data of non-symbolic estimation of time, space and number (ANS) refer to all the ratios.