| Cronbach Alpha and Related Statistics | ||||
| Items | Cronbach Alpha | Std. Alpha | G6(smc) | Average R |
| All itmes | 0.8582 | 0.8557 | 1 | 0.5972 |
| Q4 excluded | 0.8881 | 0.8879 | 1 | 0.7252 |
| Q11 excluded | 0.7564 | 0.7556 | 0.6793 | 0.5075 |
| Q18 excluded | 0.7564 | 0.7556 | 0.6793 | 0.5075 |
| Q25 excluded | 0.8521 | 0.847 | 1 | 0.6485 |