A Rough VIKOR-Based QFD for Prioritizing Design Attributes of Product-Related Service

Table 13

Main differences between the rough QFD, conventional QFD, and fuzzy QFD.

Method	Manipulation of uncertainty	Reliance on much prior information	Flexibility
Conventional QFD	No	No	Low
Fuzzy QFD	Partial	Yes	Low
Rough QFD	Yes	No	High