Evaluation Glossary

Test Score Pollution

An inflation of test scores that is the results of practices, usually associated with high-stakes testing, which are designed to increase test scores or performance ratings without improvement of actual performance on the attributes being assessed.


Patricia Wheeler, Geneva D. Haertel, and Michael Scriven. (1992). Teacher Evaluation Glossary, Kalamazoo, MI: The Evaluation Center, Western Michigan University.

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