A New Material Selection Method Based on Weighted Mean Values of Overall Performance Scores from Different Multicriteria Decision-Making Methods

Table 6

Rank correlation coefficients between the overall performance scores from six MCDM methods and their mean values.

	SAW	TOPSIS	GRA	Modified VIKOR	Modified PROMETHEE	RSR
SAW	—	0.883	0.883	0.900	1.000	0.717
TOPSIS	0.883	—	1.000	0.983	0.883	0.850
GRA	0.883	1.000	—	0.983	0.883	0.850
Modified VIKOR	0.900	0.983	0.983	—	0.900	0.867
Modified PROMETHEE	1.000	0.883	0.883	0.900	—	0.717
RSR	0.717	0.850	0.850	0.867	0.717	—
Mean value of the rank correlation coefficients	0.877	0.920	0.920	0.927	0.877	0.800