After grading the first exam, your developmental psychology instructor says, "Those students who actually come to class did much better than those of you who show up once a week." Given this information, which correlation between attendance and grades would be most likely?
A) +.01
B) + .09
C) + .10
D) + .90

Question

Quizplus · Accepted Answer

A correlation coefficient of +.90 indicates a strong positive relationship between attendance and grades. This suggests that students who attend class more frequently tend to have higher grades than those who attend less frequently.

After Grading the First Exam, Your Developmental Psychology Instructor Says