Hostname: page-component-745bb68f8f-f46jp Total loading time: 0 Render date: 2025-01-07T22:37:11.713Z Has data issue: false hasContentIssue false

Alternative Solutions for Optimization Problems in Generalizability Theory

Published online by Cambridge University Press:  01 January 2025

Piet F. Sanders*
Affiliation:
National Institute for Educational Measurement (Cito), Arnhem, The Netherlands
*
Requests for reprints should be sent to Piet F. Sanders, Cito, PO Box 1034, 6801 MG Arnhem, THE NETHERLANDS.

Abstract

Solutions for the problem of maximizing the generalizability coefficient under a budget constraint are presented. It is shown that the Cauchy-Schwarz inequality can be applied to derive optimal continuous solutions for the number of conditions of each facet.

Type
Original Paper
Copyright
Copyright © 1992 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

The author thanks Sjoerd Baas and Agnes Broeren for their many helpful remarks.

References

Cochran, W. G. (1977). Sampling techniques, New York: Wiley.Google Scholar
Sanders, P. F., Theunissen, T. J. J. M., Baas, S. (1991). Maximizing the coefficient of generalizability under the constraint of limited resources. Psychometrika, 56, 8796.CrossRefGoogle Scholar
Snedecor, G. W., Cochran, W. G. (1976). Statistical methods, Ames: Iowa State University Press.Google Scholar
Stuart, A. (1954). A simple presentation of optimum sampling results. Journal of the Royal Statistical Society, Series B, 16, 239241.CrossRefGoogle Scholar
Woodward, J. A., Joe, G. W. (1973). Maximizing the coefficient of generalizability in multi-facet decision studies. Psychometrika, 38, 173181.CrossRefGoogle Scholar