Question

A psychologist has found a correlation of +.54 between measures of need for achievement and college grade point average. Given this knowledge, you would expect that....

a. if you knew a student's need for achievement score, you could predict the student's grade point average perfectly
b. as the need for achievement scores decrease, there is a tendency for college grade point to decrease
c. as the need for achievement scores increase, there is a tendency of college grade point to decrease
d. there is no relationship between need for achievement and college grade point average

Answer 1

Given a correlation of +.54 between need for achievement and college GPA, as the need for achievement scores decrease, college grade point also tends to decrease. This positive correlation indicates an association, not a perfect prediction.

Step-by-step explanation:

A psychologist has found a correlation of +.54 between measures of need for achievement and college grade point average (GPA). Given this knowledge, the correct expectation is that b. as the need for achievement scores decrease, there is a tendency for college grade point to decrease. This is because a positive correlation coefficient, such as +.54, indicates that as one variable increases, the other variable tends to increase as well. Thus, higher need for achievement scores are associated with higher GPAs, and similarly, lower scores are associated with lower GPAs. However, it is important to note that the correlation is not perfect (which would be indicated by a correlation of +1.0), meaning that while there's a tendency, it's not absolute and other factors may also play a significant role.