Average reaction time, by age and dominant hand

Girls
Age (years) Right-handed Left-handed Ambidextrous
  seconds
7 and younger 0.53 0.60 0.65
8 0.52 0.57 0.46
9 0.61 0.59 0.51
10 0.54 0.56 0.53
11 0.52 0.56 0.49
12 0.49 0.51 0.48
13 0.48 0.49 0.44
14 0.46 0.44 0.45
15 0.48 0.53 0.45
16 0.47 0.47 0.48
17 0.45 0.48 0.48
18 0.45 0.45 0.47
19 0.49 0.57 0.40
20 and older 0.53 0.73 0.47
Source: Statistics Canada, Census at School, 2007/2008.

 

Boys
Age (years) Right-handed Left-handed Ambidextrous
  seconds
7 and younger 0.50 0.57 0.60
8 0.48 0.50 0.40
9 0.52 0.51 0.46
10 0.49 0.49 0.48
11 0.48 0.48 0.49
12 0.44 0.45 0.43
13 0.42 0.45 0.43
14 0.41 0.42 0.41
15 0.42 0.43 0.42
16 0.42 0.49 0.45
17 0.40 0.40 0.38
18 0.41 0.37 0.42
19 0.45 0.33 0.32
20 and older 0.49 0.47 0.95
Source: Statistics Canada, Census at School, 2007/2008.

 

By age
Age (years) Girls Boys All students
  seconds
8 0.52 0.48 0.50
9 0.60 0.51 0.56
10 0.54 0.49 0.52
11 0.52 0.48 0.50
12 0.49 0.44 0.47
13 0.47 0.43 0.45
14 0.46 0.41 0.43
15 0.48 0.42 0.45
16 0.47 0.43 0.45
17 0.45 0.40 0.43
18 0.45 0.40 0.42
19 0.49 0.43 0.45
Source: Statistics Canada, Census at School, 2007/2008.