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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define internal validity.
💡 Hint: Focus on cause and effect.
Question 2
Easy
What is external validity?
💡 Hint: Think about generalization beyond the study.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the focus of internal validity?
- The accuracy of the study's findings
- The application of findings to real-world settings
- The process of collecting data
💡 Hint: Think about what internal validity assesses.
Question 2
True or False: External validity can be enhanced by using a representative sample.
- True
- False
💡 Hint: Consider the impact of sample characteristics.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A researcher conducts an experiment testing a new educational app. They find significant results but only tested on kids from one school. Discuss the impact on external validity.
💡 Hint: Think about what factors in the sample can affect results.
Question 2
In a usability study, participants are aware of being observed, potentially influencing their behavior. What threat to internal validity does this present, and how can it be addressed?
💡 Hint: Consider how participant awareness can skew behavior.
Challenge and get performance evaluation