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2. E2262-03, Standard practice for estimating Thurstonian discriminal distances;ASTM,2009
3. Sensory discrimination tests and measurements: Statistical principles, procedures and tables;Bi,2006
4. Variance of d′ for the tetrad test and comparisons with other forced choice methods;Bi;Journal of Sensory Studies,2013
5. How to estimate and use the variance of d′ from difference tests;Bi;Journal of Sensory Studies,1997