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Direct linkSkorupski, William P.; Carvajal, Jorge – Educational and Psychological Measurement, 2010
This study is an evaluation of the psychometric issues associated with estimating objective level scores, often referred to as "subscores." The article begins by introducing the concepts of reliability and validity for subscores from statewide achievement tests. These issues are discussed with reference to popular scaling techniques, classical…
Descriptors: Testing Programs, Test Validity, Achievement Tests, Scores
