# Required practical: Reaction time (Part 2)

This is the second of two lessons on the required practical investigating the effect of a named factor on reaction time. In this lesson we will be looking at evaluating our results, looking specifically at repeatability and reproducibility.

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

## Question 7

Q1.Select the missing word from the options below to complete the flow chart: Stimulus → receptor → coordinator → ____________ → response

1/7

Q2.The independent variable is the variable that you....

2/7

Q3.A student wants to investigate how reaction time is affected by caffeine using the ruler drop test and measuring the distance the ruler was caught at. What is the independent variable?

3/7

Q4.A student wants to investigate how reaction time is affected by caffeine using the ruler drop test and measuring the distance the ruler was caught at. Select the three control variables?

Select three (3) boxes

4/7

Q5.What graph should you use to represent continuous data?

5/7

Q6.Calculate the mean of the following values - 12, 13, 13, 14, 15, 15, 16 and 32.

6/7

Q7.What is the name of the gap between two neurones?

7/7

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

## Question 7

Q1.Select the missing word from the options below to complete the flow chart: Stimulus → receptor → coordinator → ____________ → response

1/7

Q2.The independent variable is the variable that you....

2/7

Q3.A student wants to investigate how reaction time is affected by caffeine using the ruler drop test and measuring the distance the ruler was caught at. What is the independent variable?

3/7

Q4.A student wants to investigate how reaction time is affected by caffeine using the ruler drop test and measuring the distance the ruler was caught at. Select the three control variables?

Select three (3) boxes

4/7

Q5.What graph should you use to represent continuous data?

5/7

Q6.Calculate the mean of the following values - 12, 13, 13, 14, 15, 15, 16 and 32.

6/7

Q7.What is the name of the gap between two neurones?

7/7

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

Quiz:

# Required Practical Reaction Time - Part B

The quiz will assess knowledge of the nervous system and evaluating a practical.

## Question 6

Q1.Which of the below is an example of a systematic error?

1/6

Q2.When we evaluate a method, it is important to always....

2/6

Q3.What does the term repeatable mean?

3/6

Q4.Which of the methods below would obtain more reproducible results?

4/6

Q5.In the ruler drop test, what is the name of the effector?

5/6

Q6.Select the two ways we can reduce the impact of random errors during an investigation

Select two (2) boxes

6/6

Quiz:

# Required Practical Reaction Time - Part B

The quiz will assess knowledge of the nervous system and evaluating a practical.

## Question 6

Q1.Which of the below is an example of a systematic error?

1/6

Q2.When we evaluate a method, it is important to always....

2/6

Q3.What does the term repeatable mean?

3/6

Q4.Which of the methods below would obtain more reproducible results?

4/6

Q5.In the ruler drop test, what is the name of the effector?

5/6

Q6.Select the two ways we can reduce the impact of random errors during an investigation

Select two (2) boxes

6/6

# Lesson summary: Required practical: Reaction time (Part 2)

### Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Walk

On the spot:
Dance

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