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Feldt, Leonard S.2
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Feldt, Leonard S. – Psychometrika, 1975
In some situations where reliability must be estimated it is impossible to divide the measuring instrument into more than two separately scoreable parts. In such a case, neither Cronbach's coefficient alpha nor Kristof's three-part approach are satisfactory. A technique is developed for estimating reliability in such situations. (Author/BJG)
Descriptors: Achievement Tests, Mathematical Models, Test Reliability, Testing Problems
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Feldt, Leonard S. – Applied Measurement in Education, 2002
Considers the situation in which content or administrative considerations limit the way in which a test can be partitioned to estimate the internal consistency reliability of the total test score. Demonstrates that a single-valued estimate of the total score reliability is possible only if an assumption is made about the comparative size of the…
Descriptors: Error of Measurement, Reliability, Scores, Test Construction