Examlex
In the diagram below, the approximate absolute magnitude of a Type II Cepheid with a period of 30 days is ____________________.
Independent Variable
The variable in an experimental study that is manipulated by the researcher to investigate its effect on the dependent variable.
Control Variable
A variable that is kept constant during a scientific experiment to ensure that the effect of the independent variable on the dependent variable is observed without interference.
Hypothetical Variable
A variable conceived by researchers to explain behaviors observed in their studies, but not directly observable or measurable itself.
Dependent Variable
A measurable outcome or effect in an experiment that is influenced by changes in the independent variable.
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