A study with college students found no correlation between hours of study for an examination and test performance.This probably means
A) the amount of study time by a student has no effect on test scores.
B) hours of study and test performance are both influenced by a third variable, scholastic aptitude.
C) there is a negative relationship between amount of study and test performance.
D) None of these are correct.

Question

Quizplus · Accepted Answer

The lack of correlation does not necessarily imply a lack of effect, a negative relationship, or the influence of a third variable. It simply means that in this study, no direct relationship was found between study hours and test performance. Other factors or methodological issues could be at play.

A Study with College Students Found No Correlation Between Hours