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. 2012 Aug 20;12:127. doi: 10.1186/1471-2288-12-127

Table 7.

Internal consistency, SEM and MDC for all questionnaire subscales at T0

N = 73 KVIQ-G 10 visual KVIQ-G 20 visual KVIQ-G 10 kinaesthetic KVIQ-G 20 kinaesthetic KVIQ-G total visual + kinaesthetic Imaprax-G visual
Cronbach’s α
0.88
0.94
0.92
0.96
0.95
0.70
95% CI (two sided)
0.83 – 0.92
0.92 – 0.96
0.88 – 0.94
0.94 – 0.97
0.93 - 96
0.57 – 0.79
SEM
1.56
2.2
1.73
2.4
4.0
0.3
MDC 4.3 6.2 4.8 6.7 11.1 0.9

Legend: KVIQ-G 10 or 20 = Kinaesthetic and Visual Imagery Questionnaire German version – short (10 items each body side) or long (20 items each body side) version, Imaprax-G = Imaprax German version, CI = confidence interval, SEM = Standard error of measurement ( SEM=s*1r), MDC = Minimal detectable change ( MDC=1.96*2*SEM.