Table 7 "Parent-Scales – Scale statistics and reliability
Information | Decision making | Professional competence | Practice organization | Practice facilites | |
|---|---|---|---|---|---|
"Parent"-Scales | |||||
Number of items | 6 | 4 | 3 | 4 | 2 |
Responder (n) | 878 | 915 | 693 | 966 | 973 |
Missing values (%) | 10.3 | 6.5 | 29.2 | 1.3 | 0.6 |
Subscale minimum/maximum | 0/18 | 0/12 | 0/9 | 0/12 | 0/6 |
Subscale mean, raw | 14.6 | 8.4 | 7.8 | 10.2 | 4.4 |
Subscales transformed (min/max) | 0/100 | 0/100 | 0/100 | 0/100 | 0/100 |
Subscale mean, transformed | 80.9 | 70.3 | 86.4 | 85.2 | 73.9 |
Floor effect (%) | 0.2 | 3.4 | 0.2 | 0.2 | 0.8 |
Ceiling effect (%) | 28.7 | 29.0 | 36.4 | 27.2 | 34.1 |
Skewness | -.75 | -.66 | -.64 | −1.1 | -.53 |
Inter-item correlation (min/max) | 0.67 (0.57 – 0.79) | 0.79 (0.75 – 0.83 | 0.63 (0.50 – 0.69) | 0.39 (0.27 – 0.50) | 0.78 |
Cronbach‘s alpha | 0.92 | 0.94 | 0.84 | 0.72 | 0.88 |