In order to make better-than-chance predictions, the Pearson r must be
A) positive
B) greater than .70
C) greater than .90
D) significant

Question

Quizplus · Accepted Answer

The Pearson r must be significant in order to make better-than-chance predictions. Significance indicates that the correlation between the variables is unlikely to have occurred by chance, increasing the confidence that the relationship is real and can be used for prediction. The other options (positive, greater than .70, greater than .90) may indicate a strong correlation, but do not necessarily guarantee significance.

In Order to Make Better-Than-Chance Predictions, the Pearson R Must