A causal relationship between X and Y can be inferred
A) only on grounds that go beyond the simple showing of a degree of relationship
B) any time r is other than zero
C) only for positive values of r
D) only for values of r that are near 1.00

Question

Quizplus · Accepted Answer

A causal relationship requires more than just a correlation; it needs evidence that changes in X cause changes in Y, which cannot be determined solely by the correlation coefficient (r).

A Causal Relationship Between X and Y Can Be Inferred