Research article
Questionnaire discrimination: (re)-introducing coefficient δ
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Correspondence: Matthew Hankins matthew.hankins@kcl.ac.uk
King's College London, Department of Psychology (at Guy's), Institute of Psychiatry, London, UK
Department of Primary Care & Public Health, Brighton & Sussex Medical School, Brighton, UK
Brighton & Sussex University Hospitals NHS Trust, Royal Sussex County Hospital, Brighton, UK
BMC Medical Research Methodology 2007, 7:19 doi:10.1186/1471-2288-7-19
Published: 18 May 2007Additional files
Additional File 1:
R code and examples. The file contains R code for calculating coefficient delta and bootstrapped 95% confidence limits.
Format: DOC Size: 30KB Download file
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