Advanced topic: If the correlation coefficient for a study is known,figuring the proportionate reduction in error requires
A)dividing the correlation coefficient by 2.
B)taking the square root of the correlation coefficient.
C)squaring the correlation coefficient.
D)multiplying the correlation coefficient by 2.

Question

Quizplus · Accepted Answer

The items below (# 38 - 40)are based on the following scenario. An educational psychologist wants to predict how well students will do on a particular multiple-choice test based on a measure of their ability to follow instructions.Their actual scores are 3,7,and 11,and their respective predicted scores are 5,7,and 9.

Advanced Topic: If the Correlation Coefficient for a Study Is