Three of the following statements below are part of the definition of a cause-and-effect relationship. One is not. Which one is not?
A) Both variables must be shown to be independent.
B) The independent variable must come before the dependent variable in time.
C) The two variables must display correlation.
D) There must be no evidence that the correlation is spurious.

Question

Quizplus · Accepted Answer

A cause-and-effect relationship requires that the independent variable precedes the dependent variable, the variables are correlated, and the correlation is not spurious. Independence of variables is not a requirement for causation.

Three of the Following Statements Below Are Part of the Definition