The Effect of Random Guessing on Test Validity
- Author(s):
- Lord, Frederic M.
- Publication Year:
- 1964
- Report Number:
- RB-64-09
- Source:
- ETS Research Bulletin
- Document Type:
- Report
- Page Count:
- 7
- Subject/Key Words:
- Guessing (Tests), Multiple Choice Tests, Scoring Formulas, Test Validity
Abstract
A number of empirical results are reported indicating the amount of loss in test validity that would have resulted if examinees had been forced to choose answers at random for the test items that they preferred to omit.
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- http://dx.doi.org/10.1002/j.2333-8504.1964.tb00959.x