Interpretations of Reliability
- Author(s):
- Haberman, Shelby J.
- Publication Year:
- 2005
- Report Number:
- RR-05-29
- Source:
- ETS Research Report
- Document Type:
- Report
- Page Count:
- 6
- Subject/Key Words:
- Reliability, Concordance, Cut Points, Interval Estimation
Abstract
Some probabilistic illustrations of the reliability coefficient are provided to assist in interpretation of this measure. All explanations are derived under the assumption that the joint distribution of examinee scores from two parallel tests is well approximated by a bivariate normal distribution.
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- http://dx.doi.org/10.1002/j.2333-8504.2005.tb02006.x