The Predicted and Observed Effect of Chance Success on Multiple-Choice Test Validity  

Oleh:

Plumlee, Lynnette B.

Jenis: Article from Journal - e-Journal
Dalam koleksi: Psychometrika: A Journal of Quantitative Psychology vol. 19 no. 1 (Mar. 1954), page 65-70.
Topik: Effect of Chance Success; Multiple-Choice Test Validity
Fulltext: Vol 19 No 1 Mar 1954 p.65-70.pdf (236.39KB)

Isi artikel

Assuming chance to be fully operative, the predicted effect of chance success on test validity when answer options are supplied depends on the number of options, the difficulty of the test and the variance of test scores. Predicted validity values are compared with empirical validity values in an experiment which used the same mathematics test items with and without answer options.

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