A researcher has two sets of scores for a sample of graduating seniors: their scores on a vocabulary test administered just before graduation, and their cumulative gradepoint average (GPA). The researcher finds a high positive correlation between the two sets of scores, and therefore recommends that the vocabulary test be administered to high school freshmen to identify those who are likely to experience academic difficulty during high school. What is the major flaw in this recommendation?

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The Answer of A researcher has two sets of scores for a sample of graduating seniors: their scores on a vocabulary test administered just before graduation, and their cumulative gradepoint average (GPA). The researcher finds a high positive correlation between the two sets of scores, and therefore recommends that the vocabulary test be administered to high school freshmen to identify those who are likely to experience academic difficulty during high school. What is the major flaw in this recommendation?

A Researcher Has Two Sets of Scores for a Sample