Which of the following statements is NOT correct?
A)In order for variable A to cause variable B, variable A must occur before variable.
B)If variable A causes variable B, then variable A and variable B will usually be correlated with one another.
C)It is possible for a dependent variable to have more than one cause.
D)If there is a correlation between two variables, then one of those variables must be having an effect of some sort on the other.
E)A suppressor variable causes two variables to appear to be uncorrelated with one another when they actually are correlated.

Question

Quizplus · Accepted Answer

Correlation does not necessarily imply causation. While a correlation between two variables may suggest a causal relationship, it is possible that the correlation is due to a third variable or other factors. Therefore, it is not always the case that one variable is having an effect on the other.

Which of the Following Statements Is NOT Correct