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Health and Quality of Life Outcomes
Published in: Health and Quality of Life Outcomes 1/2008

Open Access 01-12-2008 | Letter to the Editor

Discrimination and reliability: equal partners? Understanding the role of discriminative instruments in HRQoL research: can Ferguson's Delta help? A response

Author: Matthew Hankins

Published in: Health and Quality of Life Outcomes | Issue 1/2008

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Abstract

A response to Norman GR 'Discrimination and reliability: equal partners?' and Wyrwich KW 'Understanding the role of discriminative instruments in HRQoL research: can Ferguson's Delta help?'
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Streiner D, Norman G: Health Measurement Scales – A practical guide to their development and use. 3rd revised edition. Oxford University Press; 2003.
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Thurlow W: Direct measures of discriminations among individuals performed by psychological tests. Journal of Psychology 1950, 29: 281–314.CrossRef
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Ferguson GA: On the theory of test discrimination. Psychometrika 1949, 14: 61–68. 10.1007/BF02290141CrossRefPubMed
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Goodchild ME, Duncan-Jones P: Chronicity and the general health questionnaire. British Journal of Psychiatry 1985, 55–61. 10.1192/bjp.146.1.55
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Hankins M: The reliability of the twelve item general health questionnaire (GHQ-12) under realistic assumptions. BMC Public Health 2008, 8: 355. 10.1186/1471-2458-8-355PubMedCentralCrossRefPubMed
Metadata
Title
Discrimination and reliability: equal partners? Understanding the role of discriminative instruments in HRQoL research: can Ferguson's Delta help? A response
Author
Matthew Hankins
Publication date
01-12-2008
Publisher
BioMed Central
Published in
Health and Quality of Life Outcomes / Issue 1/2008
Electronic ISSN: 1477-7525
DOI
https://doi.org/10.1186/1477-7525-6-83

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