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Download full textRudner, Lawrence M.; Schafer, William D. – 2001
This digest discusses sources of error in testing, several approaches to estimating reliability, and several ways to increase test reliability. Reliability has been defined in different ways by different authors, but the best way to look at reliability may be the extent to which measurements resulting from a test are characteristics of those being…
Descriptors: Educational Testing, Error of Measurement, Reliability, Scores
