A Researcher Finds That the Correlation Between Two Variables Is

Multiple Choice

A researcher finds that the correlation between two variables is +.63, but this correlation drops to +.20 when a third variable is partialed out. In this case, the researcher should conclude that the third variable:

A) is not a factor in the correlation.
B) increases the accuracy of prediction.
C) is responsible for the original correlation between the variables.
D) does not influence the relationship between the two variables.