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Tomsic, Margie L.; And Others – 1987
Extended caution indices (ECI) specify the degree of confidence that can be placed in an individual's test score by analyzing patterns of item response. Among the most promising of such indices are the standardized ECIs. Contrary to the literature, several instances were found, in a previous study, of nonnormal distributions of ECIs with samples…
Descriptors: Achievement Tests, Elementary Education, Goodness of Fit, Latent Trait Theory
