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This lesson covers the AQA GCSE Combined Science Trilogy (8464) Required Practical on measuring reaction time using the ruler drop test. This is a required practical, so you must be able to describe the method, explain how to improve accuracy, and analyse results. Examiners frequently set questions on this practical.
The aim is to investigate the effect of a factor on human reaction time. Reaction time is the time it takes for a person to respond to a stimulus. The ruler drop test provides a simple way to measure reaction time and explore factors that may affect it.
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