Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is internal validity?
💡 Hint: Think about how we know what caused a change in results.
Question 2
Easy
Name one threat to internal validity.
💡 Hint: Consider factors that might skew research outcomes.
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 internal validity primarily concerned with?
- A measure of sample representativeness
- Establishing cause-and-effect relationships
- The variability in results
💡 Hint: Consider what internal validity is used for in research.
Question 2
True or False: Selection bias is a threat to internal validity.
- True
- False
💡 Hint: Think about how participants are chosen for studies.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a study to test the effectiveness of a new software tool, considering internal validity. Identify and explain potential threats specific to your design.
💡 Hint: Reflect on how participants' previous experiences might influence their interactions with the tool.
Question 2
Critically review a hypothetical study with low internal validity. What factors contributed to this, and how could it be improved?
💡 Hint: Consider how participant selection affects results.
Challenge and get performance evaluation