Table 3 Item statistics and reliability values of self-efficacy part of the scale
Difficulty | Discrimination values (point biserial correlation) | Cronbach’s alpha (when item deleted) | |
|---|---|---|---|
Item 1 | 2.02 | 0.48 | 0.74 |
Item 2 | 2.02 | 0.60 | 0.73 |
Item 3 | 1.75 | 0.54 | 0.74 |
Item 4 | 2.18 | 0.60 | 0.73 |
Item 5 | 1.80 | 0.63 | 0.73 |
Item 6 | 2.30 | 0.31 | 0.76 |
Item 7 | 2.30 | 0.61 | 0.73 |
Item 8 | 2.49 | 0.33 | 0.76 |
Item 9 | 2.04 | 0.53 | 0.74 |
Item 10 | 1.86 | 0.27 | 0.76 |
Item 11 | 1.92 | 0.49 | 0.74 |
Item 12 | 2.33 | 0.21 | 0.76 |
Item 13 | 2.12 | 0.26 | 0.76 |
Item 15 | 2.58 | 0.17 | 0.77 |
Item 16 | 2.53 | 0.12 | 0.77 |
Cronbach’s alpha | 0.76 | ||
Spearman–Brown coefficient | 0.77 | ||