Table 4 Parameter of scale internal validity and reliability
Rearranged German version | German original | Gerrity | ||||
|---|---|---|---|---|---|---|
Scales | Item-scale-correlation | Item-discriminant validity | Test-retest correlation (ICC) | Reliability (Cronbach's alpha) | Reliability (Cronbach's alpha) | Reliability (Cronbach's alpha) |
Anxiety | 0.58–0.83 | 0.15–0.49 | 0.85 | 0.866 | 0.86 | 0.86 |
Bad outcomes | 0.67–0.81 | 0.02–0.69 | 0.90 | 0.874 | 0.86 | 0.73 |
Disclose to patients | 0.56–0.71 | 0.03–0.32 | 0.84 | 0.86 (not rearranged) | 0.86 | 0.79 |
Disclose to physicians | 0.84 | 0.15–0.22 | 0.66 | 0.91 (not rearranged) | 0.91 | 0.72 |