Which of the Following Sentences Best Describes a Covariate

Multiple Choice

Which of the following sentences best describes a covariate?

A) A variable that is not able to be measured directly.
B) A variable that shares some of the variance of another variable in which the researcher is interested.
C) A variable that correlates highly with the dependent variable.
D) A pair of variables that share exactly the same amount of variance of another variable in which the researcher is interested.