Table 2 Integer-valued cluster important judgment designating the gradations.
From: A novel integrated MADM method for design concept evaluation
\({\mathrm{S}}_{\mathrm{\alpha }}\) versus \({\mathrm{S}}_{\upbeta }\) | Comparative judgment | ||||
|---|---|---|---|---|---|
Very strong importance | Strong importance | Definite importance | Weak importance | Indifference | |
Gradation index Value |  − 8 |  − 6 |  − 4 |  − 2 | 0 |
\({\mathrm{S}}_{\upbeta }\) versus \({\mathrm{S}}_{\mathrm{\alpha }}\) | Very strong importance | Strong importance | Definite importance | Weak importance | Indifference |
Gradation index Value | 8 | 6 | 4 | 2 | 0 |