7. Types of tests for recipe optimization

difference test

 Tests if a change made to the product results in a perceived difference.

 e.g., triangle test, pairwise difference test

 intensity test

Tests wether a change lead to a certain feature being perceived more or less intensively

(1-5 point scale)

popularity test

Tests wether a change improves or worsenes the taste of the product

(like/dislike scale 1-9)

JAR test (Just About Right)

Tests the perception of a specific attribute of a product

(too high, too low, or just about right)