While there are many kinds of sensory evaluation tests, discrimination tests are one of the most common. Discrimination testing is a technique employed in sensory analysis to determine whether there is a detectable difference among two or more products. In this video, we discuss overall difference and attribute difference, as well as the triangle test, duo-trio test, 2 out of 5 tests, simple ranking tests, and paired comparison tests. Sensory analysis or sensory evaluation is an important part of food science and technology. It is defined as a scientific discipline used to evoke, measure, analyze, and interpret reactions to those characteristics of foods and materials as they are perceived by the senses of sight, smell, taste, touch, and hearing. It is used in the drinks industry for quality control and during drink recipe design.