Reliability Coefficient
Synonyms: Reliability
Statistic used to measure the consistency of a test or observations. The reliability coefficient is calculated by measuring the correlation between repeated observations on the same subjects.
Reliability coefficients range from -1 to 0 to +1.
Last, J. 1983. A Dictionary of Epidemiology, New York, NY: Oxford Medical Publications.
Gliner, J.A. and G.A. Morgan. 2000. Research Methods in Applied Settings, Mahwah, NJ: Lawrence Erlbaum Associates.
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