Practice - Experimentation
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Practice Questions
Test your understanding with targeted questions
Define the term 'independent variable'.
💡 Hint: What do you control during an experiment?
What is a control group?
💡 Hint: Think about why we compare groups in an experiment.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of a control group in an experiment?
💡 Hint: What do we always compare with during experimentation?
True or False: The independent variable is what is measured in an experiment.
💡 Hint: Think about what you change versus what you measure.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Design a full experimental study to explore the effect of a new type of fertilizer on tomato growth, detailing independent, dependent, and controlled variables, methods of data collection, and how you would ensure the experiment is reproducible.
💡 Hint: Consider what factors you need control to isolate the effect of the new fertilizer.
Imagine you're a researcher who must address the bias in your experiment about sleep impacts on test performance. What strategies could you employ to minimize bias in both research design and data interpretation?
💡 Hint: Think about how to ensure all participants are treated equally and what tools you would need to interpret data objectively.
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