Table 1 Item-total correlation and impact on Cronbach’s alpha if the items were deleted
From: SANRA—a scale for the quality assessment of narrative review articles
| Item | Item-total correlation | Alpha if item deleted |
|---|---|---|
| Item 1 | 0.34 | 0.66 |
| Item 2 | 0.34 | 0.67 |
| Item 3 | 0.33 | 0.66 |
| Item 4 | 0.40 | 0.64 |
| Item 5 | 0.51 | 0.60 |
| Item 6 | 0.58 | 0.58 |