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Education QUESTION #6765
Question 1
A measurement expert advises that a Table of Specification should be checked for "appropriateness" before finalizing a test. Which of the following checklist questions is MOST directly concerned with construct-irrelevant variance?
  • Are the types of items to be used appropriate for the outcomes to be measured?✔️
  • Is the total number of items indicated for each subdivision?
  • Is the difficulty of the items appropriate for the types of interpretation to be made?
  • Do the specifications indicate the sample of learning outcomes to be measured?
Correct Answer Explanation
Construct-irrelevant variance occurs when a test format measures something other than the intended construct. Asking whether item types are appropriate for the intended outcomes directly addresses whether the chosen format (e.g., MCQ vs. essay) can actually measure the targeted learning outcome, or whether it introduces irrelevant cognitive demands (e.g., writing skill when testing content knowledge).