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Crowder, Christopher R.; Gallas, Edwin J. – 1978
Both on-level and out-of-level tests were administered to third and fifth grade children in order to compare the scaled scores of different level tests of the same testing program and to discover whether the relationship between levels might be distorted by ceiling or floor effects. Only reading tests were used in this study. The Stanford…
Descriptors: Achievement Tests, Comparative Testing, Difficulty Level, Elementary Education