A test has a norm sample that is not representative of the population. Inferences made on the basis of a student's performance on this test are
A) likely to indicate lower performance than the true score.
B) invalid.
C) unreliable.
D) considered to be reasonable for qualitative comparisons.

Question

Quizplus · Accepted Answer

Inferences made based on a student's performance on a test with a non-representative norm sample are invalid because the norm group does not accurately reflect the broader population. This means comparisons or conclusions drawn from the test results may not accurately apply to individuals outside the norm group, undermining the validity of the inferences.

A Test Has a Norm Sample That Is Not Representative