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THE USE OF A CONCOMITANT VARIABLE IN SELECTING AN EXPERIMENTAL DESIGN Get access D. R. COX D. R. COX † Department of Biostatistics, School of Public Health, University of North Carolina and Department of Statistics, University of California †Present address, Birkbeck College, University of London. Search for other works by this author on: Oxford Academic Google Scholar Biometrika, Volume 44, Issue 1-2, June 1957, Pages 150–158, https://doi.org/10.1093/biomet/44.1-2.150 Published: 01 June 1957
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