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Constructing Measures with Maximum Reliability

Published online by Cambridge University Press:  01 January 2025

M. Knott  and
D. J. Bartholomew
M. Knott*
Affiliation:
London School of Economics and Political Science
D. J. Bartholomew
Affiliation:
London School of Economics and Political Science
*
Requests for reprints should be sent to M. Knott, Statistics Department, London School of Economics and Political Science, Houghton Street, London WC2A 2AE, ENGLAND.
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Abstract

The scoring of response vectors to give maximum test-retest correlation is investigated. Simple sufficiency arguments show that the form of the best scores is very restricted. A general method is given for finding the best scores, deriving the best scores for the normal factor model, and showing by calculation of several particular cases that for a standard model for binary response it is easy to approximate the best scores.

Keywords

correlationbinary responsefactor analysisrepeated testing
Type
Original Paper
Information
Psychometrika , Volume 58 , Issue 2 , June 1993 , pp. 331 - 338
Copyright
Copyright © 1993 The Psychometric Society

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