Laura Is Designing a Study of the Extent to Which

Multiple Choice

Laura is designing a study of the extent to which standardized achievement test scores in high school predict college GPA using a large dataset of 50,000 students. Which of the following potential problems is most important to consider?

A) The sample size may be too small to detect a correlation.
B) The sample size may result in a correlation that is practically unimportant.
C) The variables require the use of a phi coefficient.
D) The sample size may require factor analysis.