Average reaction time, by age and dominant hand

    All students  
 Age Right-handed Left-handed Ambidextrous
  Seconds Seconds Seconds
9 0.57 0.51 0.52
10 0.5 0.53 0.54
11 0.48 0.44 0.48
12 0.47 0.48 0.46
13 0.44 0.46 0.47
14 0.46 0.48 0.44
15 0.45 0.45 0.45
16 0.43 0.37 0.44
17 0.41 0.42 0.39
18 0.4 0.45 0.46
19 0.33   0.41

Average reaction time, by age

 Age All students
  seconds
9 0.56
10 0.51
11 0.47
12 0.47
13 0.45
14 0.46
15 0.45
16 0.43
17 0.41
18 0.41
19 0.37

Source: Census at School Canada, 2024-2025