Measuring differential item and test functioning across academic disciplines

@inproceedings{Runnels2013MeasuringDI,
  title={Measuring differential item and test functioning across academic disciplines},
  author={Judith M. Runnels},
  year={2013}
}
Differential item functioning (DIF) is when a test item favors or hinders a characteristic exhibited by group members of a test-taking population. DIF analyses are statistical procedures used to determine to what extent the content of an item affects the item endorsement of sub-groups of test-takers. If DIF is found for many items on the test, the final test scores do not represent the same measurement across groups in the population of test-takers. This is known as differential test… CONTINUE READING

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