| Cronbach Alpha and Related Statistics | ||||
| Items | Cronbach Alpha | Std. Alpha | G6(smc) | Average R |
| All itmes | 0.9756 | 0.9763 | 0.9917 | 0.7329 |
| V1 excluded | 0.9744 | 0.9751 | 0.991 | 0.7367 |
| V2 excluded | 0.9746 | 0.9751 | 0.9894 | 0.7367 |
| V3 excluded | 0.9758 | 0.9767 | 0.9905 | 0.7496 |
| V4 excluded | 0.9739 | 0.9746 | 0.9901 | 0.7327 |
| V5 excluded | 0.9732 | 0.9741 | 0.9891 | 0.7285 |
| V6 excluded | 0.9725 | 0.9733 | 0.9885 | 0.7229 |
| V7 excluded | 0.9724 | 0.9733 | 0.9885 | 0.7223 |
| V8 excluded | 0.9739 | 0.9745 | 0.9884 | 0.7321 |
| V9 excluded | 0.9756 | 0.9757 | 0.991 | 0.7418 |
| V10 excluded | 0.9727 | 0.9735 | 0.9894 | 0.7238 |
| V11 excluded | 0.9738 | 0.9746 | 0.9894 | 0.7324 |
| V12 excluded | 0.9757 | 0.9767 | 0.9915 | 0.7495 |
| V13 excluded | 0.9737 | 0.9743 | 0.9879 | 0.7302 |
| V14 excluded | 0.973 | 0.9737 | 0.9906 | 0.7254 |
| V15 excluded | 0.9734 | 0.9741 | 0.9887 | 0.7288 |