Evaluation and Decision Matrix


1.3 Evaluation & decision Matrices 

Decision Matrix


Criteria
Normalise Priority Value
Design 1
Design 2
Design 3
Weight
0.077
5
0.385
3
0.231
3
0.231
Size
0.03
4
0.12
2
0.06
2
0.06
Appearance
0.11
5
0.55
2
0.22
3
0.33
Time to produce
0.92
4
3.68
3
2.76
3
2.76
Cost to produce
0.12
3
0.36
4
0.48
4
0.48
Ease of use
0.12
3
0.36
3
0.36
3
0.36
Availability of materials
0.92
4
3.68
4
3.68
4
3.68
Environmental Impact
0.18
5
0.90
5
0.90
5
0.90
Safety
0.19
4
0.76
3
0.57
2
0.38


Evaluation Matrix:

Criteria
Weight
Size
Appearance
Time to produce
Cost to produce
Ease of use
Availability of materials
Environmental Impact
Safety
Row total
Normalised Priority value
Weight
11111111
3
2
1
1
1
1
1
1
11
0.077
Size
1
11111111
0
0
0
1
1
0
1
4
0.03
Appearance
2
4
11111111
2
1
3
1
2
2
16
0.11
Time to produce
3
4
2
11111111
1
0
3
0
0
13
0.92
Cost to produce
3
4
3
3
11111111
2
2
0
0
17
0.12
Ease of use
3
3
1
4
2
11111111
3
0
0
16
0.12
Availability of materials
3
3
3
1
2
1
11111111`````````
0
0
13
0.92
Environmental Impact
3
4
2
4
4
4
4
11111111
1
25
0.18
Safety
3
3
2
4
4
4
4
3
11111111`
27
0.19
Column total









142
1111```````````

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