Practice Variables Identification (5.8.2.1) - Empirical Research Methods in HCI
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Variables Identification

Practice - Variables Identification

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is an independent variable?

💡 Hint: Think about what you change to observe an effect.

Question 2 Easy

Name a dependent variable in a usability study.

💡 Hint: Consider what you measure to see how users performed.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is an independent variable?

A controlled factor
The factor being measured
The factor being changed

💡 Hint: It’s the factor you deliberately alter.

Question 2

True or False: Control variables can be changed to see their effect on the dependent variable.

True
False

💡 Hint: Remember, they help maintain the integrity of the experiment.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design an empirical study to test the impact of interface color on user performance. Identify your IVs, DVs, and CVs.

💡 Hint: All elements should align to show a clear effect.

Challenge 2 Hard

Argue why control variables are vital in establishing cause-and-effect relationships in HCI experiments.

💡 Hint: Consider examples of studies where failing to control variables led to erroneous conclusions.

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Reference links

Supplementary resources to enhance your learning experience.