A correlation exists when
A) a dependent variable causes change in an independent variable.
B) a lack of control is evident in an experimental research design.
C) a change in one variable is associated with a change in another variable.
D) None of the choices are correct.

Question

Quizplus · Accepted Answer

A correlation exists when a change in one variable is associated with a change in another variable. It does not imply causation and does not necessarily involve an experimental research design. Option A implies causation, which is not always the case with correlation. Option B is incorrect as a correlation can be studied under both controlled and uncontrolled circumstances. Option D is incorrect as option C is the correct answer.

A Correlation Exists When