| Cronbach Alpha and Related Statistics | ||||
| Items | Cronbach Alpha | Std. Alpha | G6(smc) | Average R |
| All itmes | 0.7187 | 0.7281 | 1 | 0.1181 |
| Q1 excluded | 0.6843 | 0.6944 | 1 | 0.1068 |
| Q2 excluded | 0.7164 | 0.7249 | 1 | 0.1218 |
| Q3 excluded | 0.6931 | 0.7039 | 1 | 0.1112 |
| Q4 excluded | 0.7094 | 0.7196 | 1 | 0.119 |
| Q5 excluded | 0.7256 | 0.7341 | 1 | 0.1269 |
| Q6 excluded | 0.6956 | 0.7072 | 1 | 0.1128 |
| Q7 excluded | 0.6826 | 0.6967 | 1 | 0.1079 |
| Q8 excluded | 0.7156 | 0.7248 | 1 | 0.1217 |
| Q9 excluded | 0.7111 | 0.7209 | 1 | 0.1197 |
| Q10 excluded | 0.7188 | 0.7273 | 1 | 0.1231 |
| Q11 excluded | 0.7212 | 0.7338 | 1 | 0.1267 |
| Q12 excluded | 0.7393 | 0.7418 | 1 | 0.1314 |
| Q13 excluded | 0.7087 | 0.7188 | 1 | 0.1186 |
| Q14 excluded | 0.7087 | 0.7152 | 1 | 0.1168 |
| Q15 excluded | 0.7297 | 0.7376 | 1 | 0.1289 |
| Q16 excluded | 0.6971 | 0.7061 | 1 | 0.1123 |
| Q17 excluded | 0.6856 | 0.6964 | 1 | 0.1077 |
| Q18 excluded | 0.6953 | 0.7071 | 1 | 0.1127 |
| Q19 excluded | 0.6884 | 0.7011 | 1 | 0.1099 |
| Q20 excluded | 0.7231 | 0.7316 | 1 | 0.1254 |