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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define an independent variable in an experiment.
💡 Hint: Look for what is being tested or changed.
Question 2
Easy
What does a dependent variable measure?
💡 Hint: Think of what is being observed or counted.
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 an independent variable?
- The variable that is manipulated
- The variable that is measured
- A variable that is kept constant
💡 Hint: It is the variable you want to test.
Question 2
True or False: A positive control is expected to show no response.
- True
- False
💡 Hint: Consider what a positive control aims to confirm.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You are conducting an experiment to see how temperature affects yeast fermentation. Identify the IV, DV, and list three controlled variables.
💡 Hint: Think about each factor that could change the results and how you keep them the same.
Question 2
Design a study to examine the effects of soil type on plant growth and describe how you would ensure both reliability and validity.
💡 Hint: Identify what testing method guarantees consistent results.
Challenge and get performance evaluation