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AQA Science: Glossary - Dependent and Independent Variables
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Often in science we are looking at 'cause' and 'effect'. You can think of the independent variable as being the 'cause' and the dependent variable as being the 'effect'. In other words, the dependent variable is the thing that changes as a result of you changing something else.
Dependent
The dependent variable is the variable the value of which you measure for each and every change in the independent variable.
Independent
The independent variable is the variable for which values are changed or selected by the investigator. In other words, this is the thing that you deliberately change to see what effect it has.
- Identify the independent and dependent variables in Vernon and Valerie's investigation.
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