Examlex
Which of the following is a significant early sign of bronchogenic carcinoma in a smoker?
Independent Variable
The variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable.
Independent Variables
In experimental research, variables that are manipulated or controlled by the researcher to study their effect on dependent variables.
Dependent Variable
The variable in experimental research that is expected to change as a result of manipulations to the independent variable.
Control Variable
A factor that is kept constant to accurately test the impact of an independent variable on a dependent variable in an experiment.
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