Table VII.
Overall mean, scale variance and KR-20 after eliminating some items.
| Items | Mean of scale after removing the item | Scale variance after removing the item | Coefficient KR-20 after removing the item |
|---|---|---|---|
| i1 | 6.2889 | 13.528 | 0.847 |
| i2 | 5.9556 | 15.180 | 0.869 |
| i3 | 6.4667 | 14.664 | 0.860 |
| i4 | 6.0667 | 15.018 | 0.870 |
| i5 | 6.1556 | 13.316 | 0.844 |
| i6 | 6.3778 | 14.149 | 0.855 |
| i7 | 6.1111 | 13.465 | 0.846 |
| i8 | 6.1111 | 13.965 | 0.855 |
| i9 | 6.1111 | 15.510 | 0.877 |
| i10 | 6.2000 | 15.209 | 0.873 |
| i11 | 6.5778 | 16.068 | 0.874 |
| i12 | 6.5778 | 15.204 | 0.862 |
| i13 | 5.9556 | 15.271 | 0.870 |
| i14 | 6.5333 | 14.800 | 0.859 |
| i15 | 6.1556 | 13.362 | 0.845 |