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Lord, Frederic M.1
Pashley, Peter J.1
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Lord, Frederic M.; Pashley, Peter J. – 1988
A large sample method for obtaining asymptotic simultaneous confidence bands for a three-parameter logistic response curve is described. Simultaneous confidence bands indicate the sampling variation of item response curves relative to a fitted function. A procedure is given which requires as input maximum likelihood parameter estimates and an…
Descriptors: Computer Software Development, Goodness of Fit, Item Response Theory, Maximum Likelihood Statistics