Can a Test Be Too Reliable?
- Author(s):
- Wainer, Howard
- Publication Year:
- 1985
- Report Number:
- RR-85-19
- Source:
- ETS Research Report
- Document Type:
- Report
- Page Count:
- 8
- Subject/Key Words:
- Statistical Analysis, Test Reliability, Test Theory, Testing Problems
Abstract
It is shown that summary statistics which are commonly used to measure test quality (reliability, mean rbis, and mean proportion correct) can be seriously misleading. This is demonstrated and explained. (6pp.)
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- http://dx.doi.org/10.1002/j.2330-8516.1985.tb00104.x