Practice Experiment Design (5.4.2) - Empirical Research Methods in HCI
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Experiment Design

Practice - Experiment Design - 5.4.2

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is an independent variable?

💡 Hint: It's what the experimenter changes.

Question 2 Easy

Why are control variables important?

💡 Hint: Think about what might affect your results.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the purpose of control variables?

To introduce new factors
To keep conditions constant
To change the independent variable

💡 Hint: Think about what you'll hold constant in your study.

Question 2

True or False: In a within-subject design, each participant experiences only one condition.

True
False

💡 Hint: Remember what 'within' means!

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design an empirical study to test a new social media app's interface. Outline the IV, DV, potential control variables, and a proposed number of participants. Justify your choices.

💡 Hint: Think about how you measure user engagement statistically.

Challenge 2 Hard

Discuss the implications of having too few participants in your study regarding external validity.

💡 Hint: Consider how results generalize to a wider audience.

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Reference links

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