Weight Analysis for Multiattribute Group Decision-Making with Interval Grey Numbers Based on Decision-Makers’ Psychological Criteria

Table 1

Four decision matrices and weights of five attributes provided by each DM.

DMs	Candidates and weights	Cost	Time	Trust	Risk	Quality
d1	A1	[10, 12]	[21, 25]	[80, 84]	[0.95, 0.98]	[0.95, 0.96]
	A2	[11, 15]	[24, 25]	[84, 85]	[0.92, 0.93]	[0.96, 0.97]
	A3	[12, 13]	[22, 24]	[87, 89]	[0.88, 0.91]	[0.96, 0.97]
	A4	[14, 16]	[18, 20]	[91, 93]	[0.89, 0.90]	[0.99, 1.00]
	Weights	0.22	0.17	0.25	0.15	0.21
d2	A1	[9, 13]	[24, 25]	[79, 82]	[0.93, 0.94]	[0.96, 0.98]
	A2	[11, 12]	[21, 23]	[83, 84]	[0.92, 0.94]	[0.97, 0.98]
	A3	[10, 12]	[22, 23]	[88, 89]	[0.89, 0.91]	[0.98, 0.99]
	A4	[15, 16]	[19, 20]	[89, 92]	[0.90, 0.92]	[0.99, 1.00]
	Weights	0.19	0.18	0.22	0.16	0.25
d3	A1	[11, 13]	[19, 22]	[74, 78]	[0.96, 0.97]	[0.93, 0.96]
	A2	[12, 14]	[18, 25]	[76, 80]	[0.93, 0.96]	[0.94, 0.96]
	A3	[12, 15]	[21, 22]	[82, 85]	[0.90, 0.92]	[0.95, 0.96]
	A4	[13, 17]	[18, 23]	[86, 88]	[0.91, 0.94]	[0.97, 0.98]
	Weights	0.21	0.19	0.23	0.17	0.2
d4	A1	[13, 14]	[22, 23]	[76, 78]	[0.95, 0.96]	[0.94, 0.95]
	A2	[13, 15]	[19, 23]	[81, 82]	[0.94, 0.95]	[0.93, 0.94]
	A3	[16, 18]	[20, 22]	[84, 86]	[0.89, 0.92]	[0.94, 0.95]
	A4	[15, 17]	[19, 21]	[87, 88]	[0.88, 0.91]	[0.95, 0.96]
	Weights	0.24	0.18	0.21	0.18	0.19