1. Required Practical 7: Define the term ‘Reflex Action’:4
Bullet point how you would use this apparatus: 6
List the variables you would need to control: 6
Required Practical 7:
The effect of a factor on human reaction time
What are the ethical implications of this experiment?: 8
Factors that can effect reaction time include: 6 5 5
Risk Assessment:
Measuring reaction time using a computer
Describe how you would do this:
What are the benefits of using a computer?
Flow chart the order of a reflex action:
Stimulus 
Hazard
Risk
Precaution
How can you calculate the reaction time in seconds? 7 9