Measure | Content validity | Construct validity | Floor/Ceiling effect | Internal consistency | Reliability | Brevity | Simplicity | Relevance |
---|---|---|---|---|---|---|---|---|
Measures of involvement only | ||||||||
Patients Preference for Control [41] | Unknown | Unknown | Unknown | Unknown | Unknown | Adequate | Adequate | Adequate |
Control Preferences Scale [42] | Unknown | Adequate | Unknown | Unknown | Adequate | Adequate | Adequate | Adequate |
Facilitation of Patient Involvement [43] | Unknown | Adequate | Unknown | Adequate | Adequate | Adequate | Adequate | Doubtful |
Desire to Participate in Medical Decision Making Scale [44] | Adequate | Doubtful | Unknown | Adequate | Adequate | Adequate | Adequate | Doubtful |
Decision Self-Efficacy Scale [45] | Unknown | Adequate | Unknown | Adequate | Adequate | Adequate | Adequate | Poor |
Measures of satisfaction only | ||||||||
Satisfaction with Decision Scale [46] | Unknown | Adequate | Unknown | Adequate | Adequate | Adequate | Adequate | Adequate |
Measures of involvement and satisfaction | ||||||||
Decisional Conflict Scale [47] | Unknown | Adequate | Unknown | Adequate | Adequate | Adequate | Adequate | Poor |
Autonomy Preference Index [48] | Adequate | Adequate | Poor | Adequate | Adequate | Poor | Doubtful | Doubtful |