Examlex
In a multiple regression with five predictors in a sample of 56 U.S. cities, we would use F5,50 in a test of overall significance.
Variables Controlled
In experiments, these are the factors that researchers keep constant to prevent them from influencing the outcome of the study.
Confounding Variable
An external variable that influences both the dependent and independent variables, making the relationship between them less clear.
Illegal Drug Use
The consumption of substances that are prohibited by law.
Proxy Variable
An alternative that is used to stand in for a variable that cannot be directly measured or is not readily available.
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