Psychometric properties of a brief measure of autonomy support in breast cancer patients

Table 3 Internal consistency (alpha) for four autonomy support scales

Target	Overall (n = 155)	Surgeon (n = 157)	Medical Oncologist (n = 138)	Radiation Oncologist (n = 106)
Alpha with all items	0.93	0.94	0.97	0.92
Alpha if item removed
Provided me with choices	0.93	0.94	0.96	0.93
Understood how I saw things	0.92	0.93	0.96	0.90
Expressed confidence	0.92	0.92	0.96	0.90
Listened	0.91	0.92	0.96	0.89
Encouraged questions	0.94	0.95	0.97	0.93
Tried to understand	0.91	0.93	0.96	0.89

ISSN: 1472-6947