Key term for OCR GCSE Biology B, used in Data Analysis and Evaluation.
A variable that is kept constant during an experiment to ensure a fair test and maintain validity.
Control variable appears in OCR GCSE Biology B revision content for Scientific Methodology, especially Data Analysis and Evaluation and Evaluating Experimental Strategy.
Scientific Methodology
Data Analysis and Evaluation • Evaluating Experimental Strategy
Scientific Methodology
Data Analysis and Evaluation • Presenting Data
Scientific Methodology
Experimental Design • Planning Experiments
Scientific Methodology
Experimental Design • Hypotheses and Predictions
Human Physiology
The Nervous System • Reflex Arcs
Ecosystems and Photosynthesis
Photosynthesis • Enzymes
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