What is primarily affected by construct-irrelevant factors in assessment tasks?
Understand the Problem
The question is asking which aspect of assessment tasks is mainly influenced by factors that are not relevant to the construct being measured. It requires analysis of the effects of construct-irrelevant factors on the integrity of assessment processes.
Answer
Validity of inferences based on assessment scores.
Construct-irrelevant factors primarily affect the validity of inferences based on scores from an assessment.
Answer for screen readers
Construct-irrelevant factors primarily affect the validity of inferences based on scores from an assessment.
More Information
Construct-irrelevant factors can include test-taker anxiety, misunderstanding parallel tasks, or irrelevant differences in formatting. These factors add systematic variance that is not related to the construct being measured, thus reducing the validity and reliability of the test results.
Tips
A common mistake is confusing construct-irrelevant factors with the construct element itself, which leads to incorrect conclusions about students' abilities.
Sources
- The Impact of Construct-Irrelevant Factors on the Validity - files.eric.ed.gov
- Controlling construct-irrelevant factors through computer-based testing - tandfonline.com
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