Chemistry A-Level
Controlled variables
What Controlled variables means in Chemistry A-Level, as defined for OCR.
Definition of Controlled variables
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Reference: OCR
Factors that could affect the outcome but are deliberately kept the same across all trials so that any change in the dependent variable can be attributed to the independent variable.
Topics that use Controlled variables
- Planning (OCR A-Level)
Related terms
Using Controlled variables in the exam
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