Abstract
ABSTRACTThe Thurstonian prediction that judges will get a higher proportion of correct 3‐AFC tests than triangle tests was confirmed using a yogurt system. As predicted, d′ values for the triangle and 3‐AFC tests corresponded. Sequential Sensitivity Analysis predictions for the sensitivity of various tasting sequences were confirmed for the 3‐AFC test but not the triangle test. Further predictions that the 2‐AFC is more sensitive than the 3‐AFC were confirmed. This increase in sensitivity more than offset the greater statistical power of the 3‐AFC. Difficulties of specifying the nature of the difference for the 2‐AFC and 3‐AFC tests were overcome using a warm‐up procedure.
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