Examlex
In explaining why people age and eventually die, Dr. Filipovsky talks about "free radicals" and how their buildup produces tissue damage. Dr. Filipovsky is promoting a ____ theory of aging.
Variables
Elements or characteristics within a study that can vary and have different values among subjects.
Correlation Coefficient
A statistical measure that calculates the strength and direction of the relationship between two variables.
Linear Regression
A statistical method for modeling the relationship between a dependent variable and one or more independent variables by fitting a linear equation.
Independent Variable
A variable that is manipulated or changed in an experiment to test its effects on dependent variables.
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