| Cronbach Alpha and Related Statistics | ||||
| Items | Cronbach Alpha | Std. Alpha | G6(smc) | Average R |
| All itmes | 0.8184 | 0.8365 | 1 | 0.2313 |
| q1 excluded | 0.8046 | 0.8236 | 1 | 0.2259 |
| q2 excluded | 0.7887 | 0.8105 | 1 | 0.211 |
| q3 excluded | 0.7779 | 0.8035 | 1 | 0.2036 |
| q4 excluded | 0.7887 | 0.8105 | 1 | 0.211 |
| q5 excluded | 0.8042 | 0.8231 | 1 | 0.2253 |
| q6 excluded | 0.8004 | 0.8126 | 1 | 0.2132 |
| q7 excluded | 0.8276 | 0.8434 | 1 | 0.2518 |
| q8 excluded | 0.8276 | 0.8434 | 1 | 0.2518 |
| q9 excluded | 0.8168 | 0.8386 | 1 | 0.2451 |
| q10 excluded | 0.7837 | 0.8084 | 1 | 0.2086 |
| q11 excluded | 0.8123 | 0.8307 | 1 | 0.2347 |
| q12 excluded | 0.7896 | 0.8149 | 1 | 0.2157 |
| q13 excluded | 0.823 | 0.8472 | 1 | 0.2574 |
| q14 excluded | 0.808 | 0.827 | 1 | 0.2301 |
| q15 excluded | 0.8144 | 0.8333 | 1 | 0.2381 |
| q16 excluded | 0.8221 | 0.8424 | 1 | 0.2504 |
| q17 excluded | 0.8477 | 0.8484 | 1 | 0.2591 |