If we look at the correlation between college admissions test scores and subsequent performance in college for all admitted applicants, we are likely to
A) underestimate the degree of correlation between test score and potential performance.
B) overestimate the relationship.
C) do quite a good job of estimating the relationship if our sample is sufficiently large.
D) not know much more than when we began.

Question

Quizplus · Accepted Answer

This phenomenon occurs because of the restriction of range: only students with higher test scores are typically admitted to college, which limits the variability of the test scores in the sample and can lead to an underestimation of the true correlation between test scores and college performance in the broader population.

If We Look at the Correlation Between College Admissions Test