A Researcher Finds a Correlation of

Multiple Choice

A researcher finds a correlation of +.90 between two variables.Assuming the correlation coefficient was calculated correctly,which of the following is definitely not true?

A) Ability to make predictions for these variables is good.
B) As values on one measure increase, values on the other measure decrease.
C) A third variable may be present that explains the correlation.
D) The variables may be causally related.