Guideline for interpreting correlation coefficients.13
| Absolute Value of the Correlation Coefficient | Interpretation |
| 0.00–0.10 | Negligible correlation |
| 0.10–0.39 | Weak correlation |
| 0.40–0.69 | Moderate correlation |
| 0.70–0.89 | Strong correlation |
| 0.90–1.00 | Very strong correlation |