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Download full textFrary, Robert B.; Lowry, Stephen R. – 1976
This paper presents theory concerning the relationships between reliability, misinformation and item discrimination coefficients. It is shown that, to the extent that misinformation rather than ignorance causes examinees to miss multiple-choice items, higher item discrimination coefficients and lower difficulty indices may be expected. Data were…
Descriptors: Bias, Correlation, Educational Research, Multiple Choice Tests
