Average reaction time

Average reaction time, by age and dominant hand
Age (years)	Girls			Boys
	Right-handed	Left-handed	Ambidextrous	Right-handed	Left-handed	Ambidextrous
	seconds
8	0.55	0.53	0.53	0.47	0.49	0.51
9	0.52	0.54	0.54	0.47	0.49	0.50
10	0.49	0.51	0.48	0.45	0.47	0.44
11	0.47	0.49	0.47	0.43	0.42	0.42
12	0.44	0.45	0.45	0.40	0.41	0.40
13	0.43	0.46	0.43	0.38	0.39	0.37
14	0.42	0.44	0.43	0.38	0.39	0.38
15	0.43	0.44	0.40	0.38	0.39	0.36
16	0.41	0.45	0.39	0.36	0.36	0.35
17	0.39	0.41	0.41	0.34	0.32	0.36
18	0.42	0.35	0.36	0.34	0.39	0.35
19	0.39	..	..	0.41	..	0.27
.. not available for a specific reference period
Source: Statistics Canada, Census at School, 2009/2010.

Average reaction time, by age
Age (years)	Girls	Boys	All students
	seconds
8	0.55	0.48	0.52
9	0.53	0.48	0.50
10	0.49	0.45	0.47
11	0.48	0.43	0.45
12	0.44	0.40	0.42
13	0.43	0.38	0.41
14	0.42	0.38	0.40
15	0.43	0.38	0.41
16	0.41	0.36	0.38
17	0.40	0.34	0.37
18	0.41	0.35	0.38
19	0.39	0.40	0.40
Source: Statistics Canada, Census at School, 2009/2010.