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Direct linkBurton, Richard F. – Assessment & Evaluation in Higher Education, 2006
Many academic tests (e.g. short-answer and multiple-choice) sample required knowledge with questions scoring 0 or 1 (dichotomous scoring). Few textbooks give useful guidance on the length of test needed to do this reliably. Posey's binomial error model of 1932 provides the best starting point, but allows neither for heterogeneity of question…
Descriptors: Item Sampling, Tests, Test Length, Test Reliability
Multiple Choice and True/False Tests: Reliability Measures and Some Implications of Negative Marking
Burton, Richard F. – Assessment & Evaluation in Higher Education, 2004
The standard error of measurement usefully provides confidence limits for scores in a given test, but is it possible to quantify the reliability of a test with just a single number that allows comparison of tests of different format? Reliability coefficients do not do this, being dependent on the spread of examinee attainment. Better in this…
Descriptors: Multiple Choice Tests, Error of Measurement, Test Reliability, Test Items
