| Cronbach Alpha and Related Statistics | ||||
| Items | Cronbach Alpha | Std. Alpha | G6(smc) | Average R |
| All itmes | 0.8753 | 0.8777 | 0.9346 | 0.204 |
| V1 excluded | 0.8678 | 0.8703 | 0.9303 | 0.1991 |
| V2 excluded | 0.8674 | 0.8704 | 0.9299 | 0.1992 |
| V3 excluded | 0.867 | 0.8684 | 0.9287 | 0.1964 |
| V4 excluded | 0.8666 | 0.8679 | 0.9288 | 0.1958 |
| V5 excluded | 0.8697 | 0.8728 | 0.9314 | 0.2026 |
| V6 excluded | 0.8661 | 0.8697 | 0.9296 | 0.1982 |
| V7 excluded | 0.8644 | 0.8684 | 0.9288 | 0.1964 |
| V8 excluded | 0.8675 | 0.8712 | 0.9305 | 0.2004 |
| V9 excluded | 0.8704 | 0.8738 | 0.9304 | 0.204 |
| V10 excluded | 0.8707 | 0.8741 | 0.9298 | 0.2045 |
| V11 excluded | 0.8695 | 0.8734 | 0.9298 | 0.2035 |
| V12 excluded | 0.8708 | 0.8745 | 0.9316 | 0.2051 |
| V13 excluded | 0.8726 | 0.8748 | 0.932 | 0.2056 |
| V14 excluded | 0.8713 | 0.873 | 0.9312 | 0.2029 |
| V15 excluded | 0.8693 | 0.8713 | 0.9314 | 0.2004 |
| V16 excluded | 0.8722 | 0.8743 | 0.9318 | 0.2048 |
| V17 excluded | 0.8692 | 0.8721 | 0.9305 | 0.2016 |
| V18 excluded | 0.8763 | 0.8785 | 0.9345 | 0.2112 |
| V19 excluded | 0.8706 | 0.874 | 0.9301 | 0.2044 |
| V20 excluded | 0.8697 | 0.8729 | 0.929 | 0.2028 |
| V21 excluded | 0.8815 | 0.881 | 0.9362 | 0.2151 |
| V22 excluded | 0.8716 | 0.8734 | 0.9311 | 0.2035 |
| V23 excluded | 0.877 | 0.879 | 0.9332 | 0.212 |
| V24 excluded | 0.8736 | 0.8762 | 0.9311 | 0.2076 |
| V25 excluded | 0.8745 | 0.8763 | 0.9315 | 0.2079 |
| V26 excluded | 0.8758 | 0.8778 | 0.9337 | 0.2102 |
| V27 excluded | 0.8744 | 0.8761 | 0.9314 | 0.2076 |
| V28 excluded | 0.8752 | 0.8777 | 0.9331 | 0.21 |