Why might ability test scores among testtakers most typically vary?
A) because of the true ability of the testtaker
B) because of irrelevant, unwanted influences
C) All of the above
D) None of the above

Question

Quizplus · Accepted Answer

Ability test scores typically vary due to both the true ability of the test-taker and irrelevant, unwanted influences such as test anxiety or environmental factors.

Why Might Ability Test Scores Among Testtakers Most Typically Vary