Question 7706
Can reaction time and, consequently, the distance traveled vary within the same person?
- Yes, depending on the person's physical condition.
- Yes, everyone's reaction time is between half a second and one second.
- No, reaction time is constant for each person.
Show answer and explanation
Correct answer: Yes, depending on the person's physical condition.
Yes. Your reaction time changes depending on your condition. You react sooner when you're rested and alert than when you're drowsy, fatigued, under the effects of alcohol or certain medications, or ill. If you take longer, you travel more meters at the same speed before braking. A normal reaction time is around 0.75 seconds, but there's no fixed range for everyone, and alcohol can double it.