Table 2.
Correlation and partial correlation after controlling for age and gender differences for all tasks.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
|---|---|---|---|---|---|---|---|---|---|
| 1. Simple subtraction | - | 0.64*** | 0.23*** | 0.08 | 0.22*** | 0.16* | 0.27*** | 0.22*** | −0.23*** |
| 2. Complex subtraction | 0.623*** | - | 0.22*** | −0.05 | 0.27*** | 0.04 | 0.32*** | 0.19*** | −0.32*** |
| 3. Numerosity comparison (ACC) | 0.25*** | 0.24*** | - | 0.28*** | 0.37*** | 0.12 | 0.23*** | 0.21*** | 0.01 |
| 4. Numerosity comparison (RTs) | 0.08 | −0.05 | 0.27*** | - | 0.11 | 0.12 | 0.03 | 0.09 | 0.36*** |
| 5. Visual figure matching (ACC) | 0.25*** | 0.30*** | 0.38*** | 0.11 | - | −0.09 | 0.26*** | 0.31*** | −0.06 |
| 6. Visual figure matching (RTs) | 0.17* | 0.05 | 0.13 | 0.11 | −0.07 | - | 0.01 | −0.11 | −0.01 |
| 7. Mental rotation | 0.25*** | 0.31 | 0.22*** | 0.02 | 0.25*** | 0.03 | - | 0.46*** | −0.19*** |
| 8. Nonverbal matrices reasoning | 0.24*** | 0.21*** | 0.23*** | 0.08 | 0.33*** | −0.10 | 0.45*** | - | −0.07 |
| 9. Choice reaction time | −0.19*** | −0.29*** | 0.03 | 0.36*** | −0.04 | −0.01 | −0.21*** | −0.06 | - |
The upper portion is the partial correlation after controlling for age and gender differences; the lower part shows the full correlation among all the tasks. ACC, accuracy. Reaction times (RTs) are given in milliseconds.
p<0.05; **p<0.01;
p<0.001.