Which concept addresses the extent to which the substance of a test is relevant to the person taking the test and/or those administering it?

• A. Validity
• B. Practicality
• C. Reliability
• D. Washback/Backwash

Answer: (A)

Validity is about whether the test actually measures what it intends to measure and whether its content is appropriate and meaningful for the people involved. When we talk about the substance of a test being relevant to the test-taker and those administering it, we’re focusing on content validity: the items reflect the real skills or knowledge the test is meant to assess and are aligned with the test’s purpose. If the questions cover material outside the target domain or don’t match the stated goal, the scores won’t meaningfully represent the construct, regardless of how consistently the test is scored.

Practicality concerns whether the test is feasible to administer in terms of time, cost, and logistics. Reliability is about consistency of results across occasions or raters. Washback/Backwash looks at the test’s influence on teaching and learning—whether it improves or distorts instruction. So the best match for the idea that the test’s content should be relevant to the people taking and using the results is validity.