A Novel Approach Based on Kano Model, Interval 2-Tuple Linguistic Representation Model, and Prospect Theory for Apperceiving Key Customer Requirements

Table 3

Classification table of requirements.

Requirements	A	O	M	I	R	Total number of questionnaires	Kano category
	20	25	15	22	18	100	O
	15	25	15	15	30	100	R
⋯	⋯	⋯	⋯	⋯	⋯	⋯