Table 4.

Statistical values of the ANOVAs on the number of reported errors. Factors and factor levels were action (execution with visible screen, execution with covered screen, imagination), error type (higher-order planning, motor command), source (reviewing the planning process, vision of the screen, vision of the keyboard, kinesthesis/touch, internal monitoring), and typing style (ten-finger typists and hunt-and-peck typists).

	F	df1, df2	p	η²p
typing style	0.3	1, 52	0.56	0.01
action	100.7	1.8, 91.5	<0.001	0.66
error type	119.0	1, 52	<0.001	0.7
source	49.1	2.1, 107.2	<0.001	0.49
typing style × action	1.1	1.8, 91.5	0.33	0.02
typing style × error type	0.2	1, 52	0.64	<0.01
typing style × source	6.0	2.1, 107.2	0.003	0.1
action × error type	63.2	2, 104	<0.001	0.55
action × source	25.3	3.6, 185.2	<0.001	0.33
error type × source	62.7	2.5, 131.2	<0.001	0.55
typing style × action × error type	1.9	2, 104	0.16	0.04
typing style × action × source	2.4	3.6, 185.2	0.062	0.04
action × error type × source	21.7	2.5, 131.2	<0.001	0.3
typing style × action × error type × source	3.0	4.7, 242.2	0.013	0.06