Internal consistency | Test re-test reliability (consistency) | Inter rater reliability (agreement) | |||
---|---|---|---|---|---|
All items N = 18 Cronbach’s alpha = 0.703 | Cronbach’s alpha if item deleted | ICC | p-value | Kappa | p-value |
Q1 | 0.692 | 0.805 | <0.001 | 0.551 | <0.001 |
Q2 | 0.697 | 0.651 | <0.001 | 0.538 | <0.001 |
Q3 | 0.687 | 0.775 | <0.001 | 0.517 | <0.001 |
Q4 | 0.682 | 0.628 | <0.001 | 0.342 | 0.001 |
Q5 | 0.679 | 0.855 | <0.001 | 0.590 | <0.001 |
Q6 | 0.678 | 0.756 | <0.001 | 0.528 | <0.001 |
Q7 | 0.684 | 0.724 | <0.001 | 0.530 | <0.001 |
Q8 | 0.698 | 0.655 | <0.001 | 0.464 | <0.001 |
Q9 | 0.680 | 0.794 | <0.001 | 0.517 | <0.001 |
Q10 | 0.691 | 0.885 | <0.001 | 0.643 | 0.001 |
Q11 | 0.688 | 0.816 | <0.001 | 0.466 | <0.001 |
Q12 | 0.691 | 0.649 | 0.04 | 0.632 | 0.011 |
Q13 | 0.679 | 0.846 | <0.001 | 0.466 | <0.001 |
Q14 | 0.688 | 0.651 | <0.001 | 0.447 | <0.001 |
Q15 | 0.682 | 0.806 | <0.001 | 0.463 | <0.001 |
Q16 | 0.713 | 0.729 | <0.001 | 0.467 | <0.001 |
Q17 | 0.686 | 0.887 | <0.001 | 0.600 | <0.001 |
Q18 | 0.684 | 0.970 | <0.001 | 0.808 | <0.001 |