An Uncertain QFD Approach for the Strategic Management of Logistics Services

Table 1

Linguistic judgements and the corresponding uncertain variables.

Linguistic judgements	Uncertain variables
Very high (VH)/very strong (VS)	(0.7, 1)
High (H)/strong (S)	(0.5, 0.7)
Low (L)/weak (WA)	(0.3, 0.5)
Very low (VL)/very weak (VW)	(0, 0.3)