TABLE 3.
Descriptive statistics about PSQ-Op items (n = 2057).
Item | M | Min | Max | SD | Skewness | Kurtosis | Corrected item-total correlation | Cronbach’s alpha if item deleted |
1 | 5.19 | 1 | 7 | 1.764 | −0.747 | −0.330 | 0.664 | 0.955 |
2 | 5.36 | 1 | 7 | 1.863 | −0.942 | −0.231 | 0.631 | 0.956 |
3 | 5.46 | 1 | 7 | 1.648 | −0.932 | −0.031 | 0.630 | 0.955 |
4 | 5.08 | 1 | 7 | 1.809 | −0.613 | −0.673 | 0.562 | 0.955 |
5 | 5.53 | 1 | 7 | 1.681 | −1.052 | 0.210 | 0.596 | 0.955 |
6 | 5.14 | 1 | 7 | 1.750 | −0.739 | −0.467 | 0.544 | 0.955 |
7 | 4.34 | 1 | 7 | 1.884 | −0.199 | −1.038 | 0.557 | 0.955 |
8 | 5.27 | 1 | 7 | 1.676 | −0.763 | −0.331 | 0.586 | 0.954 |
9 | 4.92 | 1 | 7 | 1.707 | −0.548 | −0.607 | 0.451 | 0.955 |
10 | 5.15 | 1 | 7 | 1.752 | −0.749 | −0.396 | 0.633 | 0.955 |
11 | 4.94 | 1 | 7 | 1.730 | −0.567 | −0.586 | 0.616 | 0.955 |
12 | 5.57 | 1 | 7 | 1.574 | −1.025 | 0.260 | 0.681 | 0.954 |
13 | 5.21 | 1 | 7 | 1.740 | −0.782 | −0.363 | 0.571 | 0.954 |
14 | 4.56 | 1 | 7 | 1.861 | −0.362 | −0.928 | 0.561 | 0.955 |
15 | 4.02 | 1 | 7 | 1.995 | −0.037 | −1.207 | 0.650 | 0.955 |
16 | 4.13 | 1 | 7 | 1.992 | −0.123 | −1.175 | 0.630 | 0.955 |
17 | 5.21 | 1 | 7 | 1.758 | −0.736 | −0.551 | 0.545 | 0.955 |
18 | 4.50 | 1 | 7 | 1.915 | −0.293 | −1.063 | 0.722 | 0.954 |
19 | 5.03 | 1 | 7 | 1.792 | −0.637 | −0.647 | 0.670 | 0.954 |
20 | 4.76 | 1 | 7 | 1.837 | −0.459 | −0.847 | 0.660 | 0.954 |