Under what conditions can the possibility that Y causes X be ruled out when two variables,X and Y,are strongly correlated?
A)if the correlation is positive
B)if the correlation is negative
C)if X occurs before Y
D)if Y occurs before X

Question

Quizplus · Accepted Answer

If X occurs before Y, then it is not possible for Y to have caused X. Therefore, ruling out the possibility of causation. Merely having a strong correlation does not necessarily imply a causal relationship between two variables.

Under What Conditions Can the Possibility That Y Causes X