Collaborative Decision-Making in Product Design: An Interactive Multiobjective Approach

Table 5

Degrees of desirability for class 4S.

		Class 4S—range is better (i.e., seek range)
		𝑡^−𝑖5 ≤ 𝑓𝑖 < 𝑡^−𝑖4 ≤ 𝑓𝑖 < 𝑡^−𝑖3 ≤ 𝑓𝑖 < 𝑡^−𝑖2 ≤ 𝑓𝑖 < 𝑡^−𝑖1 ≤ 𝑓𝑖 ≤ 𝑡^+𝑖1 < 𝑓𝑖 ≤ 𝑡^+𝑖2 < 𝑓𝑖 ≤ 𝑡^+𝑖3 < 𝑓𝑖 ≤ 𝑡^+𝑖4 < 𝑓𝑖 ≤ 𝑡^+𝑖5
Highly undesirable	Undesirable	Tolerable	Desirable	Highly desirable	Desirable	Tolérable	Undesirable	Highly undesirable