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Average reaction time, by age and dominant hand
Age (years)	Girls			Boys
	Right-handed	Left-handed	Ambidextrous	Right-handed	Left-handed	Ambidextrous
	seconds
8	0.51	0.51	0.32	0.47	0.50	0.39
9	0.50	0.50	0.52	0.46	0.49	0.43
10	0.48	0.45	0.46	0.44	0.45	0.42
11	0.46	0.48	0.42	0.42	0.44	0.42
12	0.44	0.45	0.43	0.39	0.43	0.39
13	0.42	0.44	0.43	0.38	0.40	0.38
14	0.43	0.44	0.41	0.39	0.39	0.38
15	0.42	0.46	0.42	0.40	0.36	0.40
16	0.42	0.37	0.39	0.38	0.39	0.42
17	0.42	0.40	0.38	0.37	0.38	0.34
18	0.39	0.41	0.51	0.37	0.42	0.39
19	0.35	0.25	..	0.46	..	0.41
.. not available for a specific reference period
Source: Statistics Canada, Census at School, 2008/2009.

Average reaction time, by age
Age (years)	Girls	Boys	All students
	seconds
8	0.50	0.47	0.48
9	0.50	0.46	0.48
10	0.48	0.44	0.46
11	0.46	0.42	0.44
12	0.44	0.39	0.42
13	0.42	0.38	0.40
14	0.43	0.39	0.41
15	0.42	0.39	0.41
16	0.41	0.38	0.40
17	0.42	0.37	0.39
18	0.39	0.38	0.38
19	0.35	0.45	0.41
Source: Statistics Canada, Census at School, 2008/2009.