Table 2.

Distribution and retest information of the MMQ scales in the German normative group

Baseline	N	Mean±SD	SE mean	Range
MMQ Satisfaction	336	54.26±11.67	0.64	15–72
MMQ Ability	336	58.21±10.04	0.55	22–80
MMQ Strategy	336	25.99±9.95	0.54	0–55
Internal	336	10.32±6.09	0.33	0–34
External	336	15.67±5.20	0.28	0–28

Retest (8 months)	N	Test–retest reliability [95% CI]	SEdiff	Reliable change scorea
MMQ Satisfaction	94	0.84 [0.76, 0.89]	6.96	13.64
MMQ Ability	94	0.81 [0.72, 0.87]	6.39	12.52
MMQ Strategy	94	0.76 [0.66, 0.83]	6.96	13.63

^aReliable Change Index (RCI) * 1.96 (p < 0.05)