If the variation in the dependent variable is evidently and systematically related to the variation in the independent variable(s), one has sufficient evidence to establish causality.

Question

Quizplus · Accepted Answer

This statement is incorrect. While a strong correlation between the dependent and independent variables may suggest causality, it is not enough evidence to establish it. Other factors, such as confounding variables, must be ruled out before causality can be determined.

If the Variation in the Dependent Variable Is Evidently and Systematically