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

Question

Quizplus · Accepted Answer

A correlation coefficient of +.90 indicates a strong positive relationship between the two variables, meaning that as values on one measure increase, values on the other measure also tend to increase. Therefore, option A is definitely not true. Options B, C, and D are all possible and do not contradict the correlation coefficient of +.90.

A Researcher Finds a Correlation of