Table 5
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