What are the independent and dependent variables?
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Dependent and independent variables are variables in mathematical modeling, statistical modeling and experimental sciences. Independent variables are controlled inputs. Dependent variables represent the output or outcome resulting from altering these inputs.
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- The independent variable is the variable the experimenter changes or controls and is assumed to have a direct effect on the dependent variable. Two examples of common independent variables are gender and educational level.
- The independent variable is the variable the experimenter changes or controls and is assumed to have a direct effect on the dependent variable. Two examples of common independent variables are gender and educational level.The dependent variable is the variable being tested and measured in an experiment, and is 'dependent' on the independent variable. An example of a dependent variable is depression symptoms, which depends on the independent variable (type of therapy).
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