When students take a test and then a retest,nearly all the students improve their scores by the same amount.What can we say about the test?
A)It has high reliability.
B)It has low reliability.
C)It has high validity.
D)It has low validity.

Question

When students take a test and then a retest,nearly all the students improve their scores by the same amount.What can we say about the test?
A)It has high reliability. 
B)It has low reliability.
C)It has high validity.
D)It has low validity.

Quizplus · Accepted Answer

The fact that nearly all students improve their scores by the same amount on the retest suggests that the test has high reliability, as it consistently measures the same thing across test administrations. Validity, on the other hand, pertains to how well a test measures what it is intended to measure. This information is not provided in the given scenario.

When Students Take a Test and Then a Retest,nearly All