Table 2.
Instrument | Loevinger coefficient | Chronbach Alfa |
---|---|---|
HScl - 10 | 0,59 | 0,91 |
Hscl - 6 | 0,61 | 0,89 |
Who - 5 | 0,67 | 0,9 |
Key questions | 0,77 | 0,74 |
Good scale: 1; Loevinger’s H > 0,50, ref Mokken RJ.A theory and procedure of scale analysis, 1971. 2; Chronbach’s alpha > 0,70,ref Bland JM, Altman DG. Statistics notes: Chronbach’s alpha. BMJ 1997;572