What Is Triangular Test
The Triangular or Triangle Test Is a Discrimination Test Designed Primarily to Determine Whether a Perceptible Sensory Difference Exists or Not Between Two...
The triangular or triangle test is a discrimination test designed primarily to determine whether a perceptible sensory difference exists or not between two products. It uses trial sizes and processes to generate sufficient good quality data for statistical analyses.
Why is a triangle test used?
The triangle test is principally used to determine whether a sensory difference exists between two products. For example to test whether a change to a product’s ingredient, process or packaging has had an impact on it’s overall sensory properties.
How do you conduct a duo trio test?
Test Principal Present to each subject an identified reference sample, followed by two coded samples, one of which matches the reference sample. Ask subjects to indicate which coded sample matches the reference. Count the number of correct replies and refer to a table for interpretation.