| Variable | Field of study | Correlation | Sig. |
| 1 | Following documentation procedures for costs of quality. | 0.874** | 0.000 |
| 2 | Calculation of quality costs related to prevention. | 0.967** | 0.000 |
| 3 | Calculation of quality costs related to evaluation. | 0.927** | 0.000 |
| 4 | Calculate the quality costs related to internal failure. | 0.924** | 0.000 |
| 5 | Calculate the quality costs related to external failure. | 0.947** | 0.000 |
|
| All questionnaire Variables. | 1.000 | - |