Table 7 Reliability of CBI-24 (Cronbach's alpha coefficient and test–retest)
Dimension | Item | Cronbach's alpha coefficient | Mean (SD) | Mean (SD) | Spearman correlation coefficient |
|---|---|---|---|---|---|
Test | Retest | ||||
Respectfulness | 1,3,5,6,13,16, 19 (deleted),22 | 0.87 | 43.32 (4.99) | 42.12 (4.12) | 0.87 |
Connectedness | 2,4,7,8,14,17 | 0.89 | 27.01 (3.28) | 26.87 (3.10) | 0.75 |
knowledge and skill | 12,11,9,15,10 | 0.84 | 28.48 (2.56) | 29.12 (2.14) | 0.89 |
Assurance | 18, 20,21,23,24 | 0.90 | 28.24 (2.80) | 29.22 (2.54) | 0.92 |
Total | All items except item 19 | 0.95 | 127.06 (12.56) | 126.52 (11.76) | 0.88 |