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Note on computation of bi-serial correlations in item evaluation

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Abstract

By the use of an algebraic variant of the ordinary formula for bi-serial correlation, tables, and graphic devices, a time-saving systematic procedure for the computation of bi-serial correlation co-efficients is outlined for application to the evaluation of items of a test. A table of z for arguments ofp=.000 top=.999 is given.

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  1. Fordham University, New York

    Jack W. Dunlap

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  1. Jack W. Dunlap
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Dunlap, J.W. Note on computation of bi-serial correlations in item evaluation. Psychometrika 1, 51–58 (1936). https://doi.org/10.1007/BF02288004

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  • DOI: https://doi.org/10.1007/BF02288004

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