AQA - CS Biology - Reaction Time

Which of the following factors can affect reaction time?

• Age

• Caffeine intake

• Fatigue

• All of the above

What is the most accurate method to measure reaction time in a laboratory setting?

• Using a stopwatch

• Using a ruler drop test

• Using a computer-based test

• Asking the participant to guess

How do you calculate the average reaction time from multiple trials?

• Add all the reaction times together and divide by the number of trials

• Take the highest reaction time

• Take the lowest reaction time

• Multiply all the reaction times together

If a student has reaction times of 0.25s, 0.30s, and 0.35s, what is their average reaction time?

• 0.25s

• 0.30s

• 0.33s

• 0.35s

What does a lower reaction time indicate about a person's reflexes?

• They have slower reflexes

• They have faster reflexes

• They are more tired

• They are less attentive

When comparing reaction times between two groups, what statistical measure is often used to determine if the difference is significant?

• Mean

• Median

• Standard deviation

• p-value

Which of the following is NOT a way to improve the reliability of reaction time results?

• Increasing the number of trials

• Ensuring consistent testing conditions

• Using different types of tests for each trial

• Randomising the order of trials

Why is it important to randomise the order of trials in a reaction time experiment?

• To make the experiment more fun

• To reduce the effect of learning or anticipation

• To confuse the participants

• To save time

If Group A has an average reaction time of 0.28s and Group B has an average reaction time of 0.35s, which group has faster reaction times?

• Group A

• Group B

• Both groups have the same reaction time

• Cannot be determined

What is one way to interpret reaction time data effectively?

• By looking at individual reaction times only

• By comparing the average reaction times and considering the variability

• By ignoring outliers

• By focusing only on the fastest reaction time