| Mean-value | Percent-value | Level of approval | Level of approval |
| 4.20 - 5 | 84% - 100% | strongly agree | Very high |
| 3.40 - <4.19 | 68% - <84% | agree | high |
| 2.60 - <3.39 | 52% - <68% | neutral | moderate |
| 1.80 - <2.59 | 36% - <52% | disagree | low |
| <1.80 | <36% | strongly disagree | Very low |