Plan and carry out an investigation into the effects of a factor on human reaction time

Students are required to plan an investigation into a factor and its effects on human reaction time. They should choose appropriate apparatus depending on the variables they have chosen. A basic method is outlined in the video which investigates the effect of practicing an event on reaction time. The procedure involves a ruler drop and catch exercise.

There is also the option to use a time-speed-acceleration unit with hand and foot reactions.

The exam board provides a conversion table so that students can calculate reaction time.

The procedure could be repeated before and after drinking a caffeinated drink or could be conducted in silence and in the presence of background noise to see if there are any changes in results.

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