Test pollution is described as changes in test scores due to outside factors rather than content presented in tests.

Sources of test pollution:

-test preparation

-situational factors

-external factors

-etc.

University of Michigan - Ann Arbor

Previous methods of testing and assessment are currently not accurate due to "test pollution." With online learning, testing issues such as cheating or lack of focus have become larger, making assessing students difficult.

The Impact of COVID-19 on Classroom Assessment


Middleton, K. V. (2020). The Longer-Term Impact of COVID-19 on K–12 Student Learning and Assessment. In Educational Measurement: Issues and Practice (Fall 2020 ed., Vol. 39, No.3, pp. 41-44). Washington, DC.

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