提供一种程序，用于确定两种产品的样品之间是否存在可感知的感官差异或相似性。无论单个感官属性或多个属性存在差异，该方法都适用。

Provides a procedure for determining whether a perceptible sensory difference or similarity exists between samples of two products. The method is applicable whether a difference exists in a single sensory attribute or in several attributes.