Standard Errors of Measurement at Different Ability Levels SCAT
- Author(s):
- Lord, Frederic M.
- Publication Year:
- 1984
- Report Number:
- RR-84-08
- Source:
- ETS Research Report
- Document Type:
- Report
- Page Count:
- 15
- Subject/Key Words:
- Error of Measurement, School and College Ability Tests (SCAT), Statistical Analysis, Statistical Bias, Testing Problems
Abstract
Four methods are outlined for estimating or approximating from a single test administration the standard error of measurement of number-right test score at specified ability levels or cutting scores. The methods are illustrated and compared on one set of real test data. (15pp.)
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- http://dx.doi.org/10.1002/j.2330-8516.1984.tb00048.x