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4 cards from this section. Quick, good the night before a test.
Define the term 'independent variable'.
What do you control during an experiment?
What is a control group?
Think about why we compare groups in an experiment.
What is the purpose of a control group in an experiment?
What do we always compare with during experimentation?
True or False: The independent variable is what is measured in an experiment.
Think about what you change versus what you measure.
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.
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?
Think about how to ensure all participants are treated equally and what tools you would need to interpret data objectively.
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