The Standard Error of Equipercentile Equating
- Author(s):
- Lord, Frederic M.
- Publication Year:
- 1981
- Report Number:
- RR-81-48
- Source:
- ETS Research Report
- Document Type:
- Report
- Page Count:
- 17
- Subject/Key Words:
- Equated Scores, Error of Measurement, Mathematical Formulas, Monte Carlo Methods, Statistical Analysis
Abstract
Transformations or equating of raw test scores on two or more forms of the same test are made interchangeable by empirical procedures deriving the standard error of an equipercentile equating for four different situations. Some numerical results are checked by Monte Carlo methods. Numerical standard errors are computed for two sets of real data. (Author/CM). (24pp.)
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- http://dx.doi.org/10.1002/j.2333-8504.1981.tb01275.x