Dr.Webkamigad has developed a new logical reasoning test.She administers the test to a group of incoming freshmen.The next year,she tests the same students,who are now sophomores,and finds that the overall correlation between the two sets of scores is -0.25.What should Dr.Webkamigad conclude about her new test,based on this information

Question

Quizplus · Accepted Answer

The negative correlation coefficient suggests that there is a decrease in scores from the first to the second testing which relates to the concept of test-retest reliability. A low correlation coefficient indicates a low test-retest reliability, meaning that scores from the first time the test was taken are not consistent with those taken the second time. Therefore, the best option is D (It has low test-retest reliability). None of the other options fit given that construct reliability, test-retest validity, and criterion-related validity should all have high correlation coefficients.

DrWebkamigad Has Developed a New Logical Reasoning Test