“…--Fuzzy linguistic scales These scales are frequently considered for different goals as an a posteriori tool to encode data from a discrete (often a Likert) scale by means of fuzzy numbers (see, for instance, Zadeh 1975a, b, c;Tong and Bonissone 1980;Pedrycz 1989;Herrera et al 1998Herrera et al , 2008Lalla et al 2008;Li 2013;Akdag et al 2014;Estrella et al 2014;Massanet et al 2014;Tejeda-Lorente et al 2014Villacorta et al 2014;Wang et al 2014;Garcia-Galán et al 2015;Liu et al 2015a;Tavana et al 2015). --Fuzzy rating scale This scale has been introduced by Hesketh et al (1988).…”