During my 30-year career in the sensory and consumer research industry, I’ve found that some of the most misused and misunderstood tests by food manufacturers are difference tests, which determine if the attributes of two food products are different. One common difference test is a triangle test, which presents panelists in a study with three different samples to taste. Two of the samples are from the same product and one is from a different product. The test determines if the panelists are able to pick out the sample of the different product from the three presented. Continue Reading