Average reaction time

Average reaction time, by age and dominant hand

Age	Girls			Boys
	Ambidextrous	Right-handed	Left-handed	Ambidextrous	Right-handed	Left-handed
	seconds	seconds	seconds	seconds	seconds	seconds
8	.	0.54	0.70	.	0.54	0.45
9	0.44	0.56	0.57	0.50	0.54	0.49
10	0.53	0.54	0.53	0.51	0.49	0.51
11	0.53	0.53	0.53	0.45	0.48	0.47
12	0.47	0.48	0.49	0.45	0.45	0.47
13	0.43	0.47	0.47	0.39	0.41	0.43
14	0.44	0.44	0.48	0.42	0.41	0.41
15	0.52	0.45	0.48	0.40	0.39	0.38
16	0.45	0.45	0.41	0.42	0.38	0.33
17	0.46	0.43	0.49	0.38	0.39	0.39
18	0.37	0.42	0.45	0.54	0.38	0.35
19	0.33	0.45	0.36	0.30	0.36	0.50

Source: Census at School Canada, 2012-2013.