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A Note on Item Analysis with an Electronic Computer

Published online by Cambridge University Press:  01 January 2025

James Ziegler*
Affiliation:
Teacher Characteristics Study*

Abstract

An electronic computer with large capacity memory, and employing binary numbers, is ideally suited for large-scale item analysis. The adaptation and use of one computer, SWAC, is described.

Type
Original Paper
Copyright
Copyright © 1954 The Psychometric Society

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Footnotes

*

A research project of the American Council on Education and The Grant Foundation.

The Institute for Numerical Analysis, a branch of the National Bureau of Standards, located on the campus of the University of California at Los Angeles, has designed and constructed this computer which, by arrangement with the University, has been made available to research groups located on the campus. The Teacher Characteristics Study has been one of the research groups privileged to employ the facilities of SWAC.

References

Flanagan, J. C. General considerations in the selection of test items and a short method of estimating the product-moment coefficients from data at the tails of the distribution. J. educ. Psych., 1939, 30, 674680CrossRefGoogle Scholar