Innovative Product Design Based on Comprehensive Customer Requirements of Different Cognitive Levels

Table 1

Value of judgment matrix.

Intensity of importance	Explanation
1	Equally important
3	Moderately more important
5	Strongly more important
7	Very strongly more important
9	Extremely more important
2, 4, 6, and 8	Intermediate values
Reciprocals of the above numbers	Inverse comparisons