| Cronbach Alpha and Related Statistics | ||||
| Items | Cronbach Alpha | Std. Alpha | G6(smc) | Average R |
| All itmes | 0.8581 | 0.8707 | 1 | 0.4024 |
| I1 excluded | 0.8271 | 0.8427 | 1 | 0.3732 |
| I2 excluded | 0.8502 | 0.861 | 1 | 0.4078 |
| I3 excluded | 0.8602 | 0.8809 | 1 | 0.451 |
| I4 excluded | 0.888 | 0.896 | 1 | 0.4892 |
| I5 excluded | 0.8206 | 0.8427 | 1 | 0.3732 |
| I6 excluded | 0.8206 | 0.8427 | 1 | 0.3732 |
| I7 excluded | 0.8363 | 0.8517 | 1 | 0.3896 |
| I8 excluded | 0.8513 | 0.8538 | 1 | 0.3936 |
| I9 excluded | 0.8418 | 0.8542 | 1 | 0.3942 |
| I10 excluded | 0.834 | 0.8461 | 1 | 0.3793 |