Table 1.

Transformation table of linguistic variables (BaykasoğLu et al. 2013)

Linguistic terms	Linguistic values	Triangular fuzzy numbers
No influence (No)	(1, 1, 1)	$\tilde{1}$
Very low influence (VL)	(2, 3, 4)	$\tilde{3}$
Low influence (L)	(4, 5, 6)	$\tilde{5}$
High influence (H)	(6, 7,8)	$\tilde{7}$
Very high influence (VH)	(8, 9,9)	$\tilde{9}$