Inter–item and item–total correlations and effects of removing items on internal consistency
| Inter–item correlation matrix | Item–total correlation | Cronbach's α if item deleted | |||
|---|---|---|---|---|---|
| Question 1 | Question 2 | Question 3 | |||
| Question 1 | – | 0.80 | 0.88 | ||
| Question 2 | 0.70 | – | 0.74 | 0.90 | |
| Question 3 | 0.75 | 0.72 | – | 0.85 | 0.85 |
| Question 4 | 0.73 | 0.64 | 0.80 | 0.82 | 0.87 |