Table 1.

Experimental design and factors.

Between-subjects group	N	Experimental factors			Residual factors
		Test type	Exposure type	Feedback delay	Hand for mouse-press	Hand-delay combination	Hand order
Group 1	7	Pre- and post-test (within subjects)	Mixed	Delayed (150 ms) and non-delayed (50 ms) (within subjects)	Left- and right-hand (nested in the feedback delay)	Right-hand delayed	Right first
Group 2	7						Left first
Group 3	7					Left-hand delayed	Right first
Group 4	6						Left first
Group 5	7		Pure	Non-delayed (50 ms)	Left- and right-hand (within subjects)	–	Right first
Group 6	6						Left first
Group 7	6			Delayed (150 ms)		–	Right first
Group 8	6						Left first