| Dependent Variables | Noise Level | |
| Pearson Correlation | Sig. (2-tailed) | |
| Abstract and Logic | −0.571** | 0.000 |
| Simple Mathematics | −0.475** | 0.000 |
| Practical Assembly | −0.646** | 0.000 |
| Health Issues | 0.410** | 0.001 |
| Safety Issue | 0.133 | 0.310 |