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CHOSENMETHODSANDTECHNIQES…
19
w
w
w
1
2
n
j
j
j
M
/
/
/
w
w
w
1
1
1
j
j
j
w
w
w
1
2
n
j
j
j
/
/
M
/
w
w
w
2
2
2
j
j
j
whichcanbesimplifiedto:
L
L
O
L
w
w
w
1
2
n
j
j
j
/
M
/
/
w
w
w
n
n
n
j
j
j
w
w
w
M
1
2
n
j
j
j
=
nw
nw
nw
M
2
1
n
j
j
j
(14)
B
j
w
j
=
nw
j
.
SinceweknowB
jwemayeasilysolvetheformula(15)tofindwj.
(15)
3.Exampleusingmultiplecriteriamethodsforranking
thewebsites
ToshowtheapplicationoftheselectedMCDMmethodsforwebsites
evaluationwewillusetheresultsoftheunpublishedexperimentconducted
by[WWW2].Inthisexperimentthreemajorjewelrye-shopswereevaluated
bystudents.Intheevaluationofallthecriteriaa5-pointLikertscalewasused
(Table1).Tomakeouranalysismoretransparentwewouldaggregate
thescoreswithinallthespecifiedsub-criteriatoobtainareducedecisionmatrix
(Table2).
Table2
Aggregateddecisionmatrix
Totalsumofscoringpoints
Criterion
k1
k2
k3
k4
k5
k6
k7
Weight
20
10
20
10
15
10
10
(1
a)
17
17
11
70
8
6
4
7
Alternatives
(2
a)
16
17
10
73
5
9
7
9
(3
a)
14
15
10
67
6
7
9
6
Source:[WWW2].