Reliability of Composite Measurements Based on them Highest ofn Equivalent Components

Huynh Huynh

Journal of Educational and Behavioral Statistics, 1986, vol. 11, issue 3, 225-238

Abstract: Under the assumptions of classical measurement theory and the condition of normality, a formula is derived for the reliability of composite scores based on m highest of n equivalent components. The formula represents an extension of the Spearman-Brown formula to the case of truncated data. The results of a simulation study indicate that errors encountered in the use of the said formula for projection purposes are confined largely to the second decimal.

Keywords: Reliability; composite scores; extreme observation (search for similar items in EconPapers)
Date: 1986
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Persistent link: https://EconPapers.repec.org/RePEc:sae:jedbes:v:11:y:1986:i:3:p:225-238

DOI: 10.3102/10769986011003225

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