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ERIC Number: EJ145573
Record Type: Journal
Publication Date: 1976
Pages: N/A
Abstractor: N/A
Reference Count: N/A
ISBN: N/A
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Manipulations with Multiple Choice Tests: A Probability Function of a Total Testscore
Dyck, Walter; Plancke-Schuyten, Gilberte
Educational and Psychological Measurement, 36, 2, 259-62, Sum 76
Previous knowledge of the difficulty index and the intercorrelations of the items will allow group results to be predicted and manipulated. A compound bionomial probability function of a testscore is established for which a computer program has been written. Three item selections and the appropriate probability distributions are given which give an illustration. (Author/RC)
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