Hostname: page-component-745bb68f8f-f46jp Total loading time: 0 Render date: 2025-01-08T09:33:15.617Z Has data issue: false hasContentIssue false

Nomograph for Computing Bi-Serial Correlations

Published online by Cambridge University Press:  01 January 2025

Jack W. Dunlap*
Affiliation:
Fordham University

Abstract

The widespread use of bi-serial r in item analysis makes a quick and accurate method of evaluating the formula desirable. Such a method is provided by homographs. Dunlap and Kurtz in their Nomograph No. 47 give a method of solving the better known statement of the formula, namely (1)

Type
Original Paper
Copyright
Copyright © 1936 The Psychometric Society

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

Footnotes

*

Dunlap, Jack W. and Kurtz, Albert K., Handbook of Statistical Nomographs, Tables, and Formulas. World Book Co. 1932, Yonkers, New York.