Table 2.

Linguistic variable for pairwise comparison of each criterion

Linguistic variableTriangular fuzzy scaleTriangular fuzzy reciprocal scale
Equally strong(1,1,1)(1,1,1)
Moderately strong(2,3,4)(1/4,1/3,1/2)
Strong(4,5,6)(1/6,1/5,1/4)
Very strong(6,7,8)(1/8,1/7,1/6)
Extremely strong(9,9,9)(1/9,1/9,1/9)
Intermediate values(1,2,3)(1/3,1/2,1)
(3,4,5)(1/5,1/4,1/3)
(5,6,7)(1/7,1/6,1/5)
(7,8,9)(1/9,1/8,1/7)
Source(s): Adapted from Tennakoon et al. (2023) 

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