Table 1.
Descriptive statistics and reliability coefficients upon item removals.
| Item | Mean (SD) | Median (IQR) | Skewness | Kurtosis | Item 1: all correlation | Cronbach α | McDonald ω |
| Item 3 | 2.98 (0.797) | 3.0 (3-3) | −0.948 | 1.01 | 0.481 | 0.653 | 0.683 |
| Item 4 | 3.12 (0.764) | 3.0 (3-4) | −0.977 | 1.31 | 0.455 | 0.657 | 0.685 |
| Item 6 | 2.92 (0.821) | 3.0 (3-3) | −0.897 | 0.7 | 0.296 | 0.679 | 0.729 |
| Item 7 | 3.02 (0.846) | 3.0 (3-4) | −0.552 | −0.323 | 0.490 | 0.650 | 0.684 |
| Item 8 | 2.49 (1.046) | 3.0 (2-3) | −0.05 | −1.18 | 0.287 | 0.683 | 0.732 |
| Item 9 | 2.98 (0.831) | 3.0 (2-4) | −0.352 | −0.618 | 0.432 | 0.659 | 0.695 |
| Item 10 | 3.19 (0.773) | 3.0 (3-4) | −0.929 | 0.887 | 0.539 | 0.645 | 0.674 |
| Item 11 | 3.18 (0.831) | 3.0 (2-4) | −0.351 | −1.47 | 0.029 | 0.715 | 0.752 |
| Item 12 | 2.63 (1.05) | 3.0 (2-3) | −0.204 | −1.14 | 0.382 | 0.666 | 0.721 |
| Item 13 | 3.04 (0.846) | 3.0 (2-4) | −0.387 | −0.78 | 0.274 | 0.682 | 0.731 |
| Item 16 | 3.01 (0.752) | 3.0 (2-4) | −0.021 | −1.22 | −0.001 | 0.716 | 0.755 |
| Item 17 | 3.02 (0.935) | 3.0 (3-4) | −0.786 | −0.164 | 0.311 | 0.674 | 0.723 |