Test-retest reliability/MDC of the 3-aspect BI

Table 2 Test-retest reliability indices of the 3-aspect BI (n=40)

Aspect	First test Mean (SD)	Second test Mean (SD)	Difference Mean (SD)	ICC (95% CI)	SEM	MDC
Actual Performance	16.7 (4.1)	17.1 (4.2)	-0.4 (1.7)	0.92 (0.85-0.96)	1.2	3.3
Self-perceived difficulty	15.0 (4.9)	16.2 (4.1)	-1.3 (3.2)	0.73 (0.52-0.85)	2.3	6.5
Ability	15.3 (4.1)	15.6 (3.8)	-0.3 (1.1)	0.91 (0.83-0.96)	0.8	2.2