A Researcher Computes a Pearson Product Moment Correlation That Yields

Multiple Choice

A researcher computes a Pearson product moment correlation that yields an r value of .50. Which of the following is true?

A) The effect size using r is large
B) 25% of the variance between the study's two variables is common to both
C) 75% of the variance between the study's two variables is unexplained
D) All of the above