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Cairney, John; Streiner, David L. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
Although statistics such as kappa and phi are commonly used to assess agreement between tests, in situations where the base rate of a disorder in a population is low or high, these statistics tend to underestimate actual agreement. This can occur even if the tests are good and the classification of subjects is adequate. Relative improvement over…
Descriptors: Developmental Disabilities, Sciences, Tests, Classification