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
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a control group?
💡 Hint: Think about what you would compare against the experimental group.
Question 2
Easy
Why is it important to have a control group?
💡 Hint: Consider the role of comparison in experiments.
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 main purpose of a control group in an experiment?
- To receive the treatment
- To provide a baseline for comparison
- To increase sample size
💡 Hint: Think about what would happen to an experiment without a baseline.
Question 2
True or False: A control group receives the experimental treatment.
- True
- False
💡 Hint: Remember the definition of a control group.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design an experiment to test the effect of different amounts of sunlight on plant growth, including control group and variable identification.
💡 Hint: Think about how to keep other variables like water and soil type constant.
Question 2
Discuss the implications of not having a control group in a clinical drug trial. What might the consequences be?
💡 Hint: Consider how people’s perceptions can affect outcomes in medicinal trials.
Challenge and get performance evaluation