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

Table 12

The loss value of the innovation schemes.

Attribute	The loss value of the innovation schemes					Customer expectative values
	S1	S2	S3	S4	S5
I1	−4	0	0	0	−4	8
I2	−720/19	−54	−54	−90	−54	1680
I3	−9/2	−11/12	−4/3	−257/60	−59/30	8
I4	−2/3	−149/60	−1/6	−2/3	−2/3	7
I5	0	−1/6	−1/12	0	−1/6	6