Table 5.

Stage 1: Final collective assessment of implementation risks, according to all three supported methodologies.

Alternatives	2-tuple WSM x WSM (Herrera et al., 2005)			TOPSIS x TOPSIS (Krohling and Campanharo, 2011)	WSM x TOPSIS (Chen, 2000)
	Collective assessment			Closeness to ideal solution	Closeness to ideal solution
	Δ−1(sn, α)	sn	α
R1	3.2962	H	0.2962	0.0487	0.0822
R2	2.7894	H	−0.2106	−0.0169	−0.0194
R3	2.5712	H	−0.4288	−0.0185	−0.0038
R4	2.7568	H	−0.2432	−0.0063	−0.0075
R5	2.9614	H	−0.0386	0.0096	0.0257
R6	3.2045	H	0.2045	0.0183	0.0349
R7	2.4894	M	0.4894	−0.0337	−0.0259
R8	2.2939	M	0.2939	−0.0357	−0.0299
R9	3.1394	H	0.1394	0.0159	0.0324
R10	2.7326	H	−0.2674	−0.0064	0.0034