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The Effects of Age on Reaction Time

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Submitted By Nixon97
Words 274
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Reaction Time v Age
The aim of my investigation is to find out how age affects reaction time
IV-
The independent variable will be aged (10-14, 15-19, 20-24, 25-29, 30-34, and 35-40)
DV-
The dependent variable will be the reaction time of the participant
Control Variables What I will control | How I will control it | Why you need to control it | Ruler | Use the same ruler every time | Different rulers may have different weights | Temperature | Do the experiment in a temperature controlled room | Different temperatures will affect reaction time. | Amount of stimulants | Tell participants to not consume any stimulants such as caffeine on the day of the experiment | If a participant consumes any stimulants it will lead to an increased reaction time due to the synaptic cleft getting smaller | Starting position of Ruler | Make the participant hold their hand straight out | | Noise | Do experiment in an empty room | Noise could possibly distract the participant therefore slowing down the reaction time | Light | Make sure the same amount of lights are on every time | Reaction time decreases in poor visibility so it would be unfair if the participants were hindered because of this. |

Equipment List
Ruler (1M) - To test reaction time
Paper/Pen- Needed to record reaction time

Method
To test reaction time I will be using the ruler drop test 1) Hold a ruler just above the participants hand so that the participants hand is on level with 0cm.
2) Without telling the participant drop the ruler.
3) Record the distance from 0cm to the top of the participants thumb.
4) Repeat 2 more times and take an av

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