Using the Decision Matrix

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Using the Decision Matrix
A Brainstorming Method Used to Help Students
Uncover Solutions to Engineering Problems
Engineering Design Development
Created By Dale A. Coalson
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Best way to cut residential grass standing over
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Step 2insert design criteria in top row
Best way to cut residential grass standing over
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Sample Constraint Terms

• Feasible
• Reliable
• Economical
• Aesthetic
• Legal
• Moral
• Safe
• Timely

• Functional
• Environment Friendly
• Ergonomics
• Practical
• Ease of Manufacture
• Standard Parts
• Ethical
• Efficient

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Best way to cut residential grass standing over
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Best way to cut residential grass standing over
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Step 4Rate your matrix using the Reasonable
Man theory
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Other Scale Qualifiers
Having a beneficial impact Having a
detrimental impact - Having a neutral impact
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Using the popular scale of 0-10
Whatever the ranking value make sure the
alternative rows can be added up
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Reapply Matrix Cycle to Winner of First Attempt
Best Result From MATRIX 1
String Cutter???
Redefined Terms
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Your Teams Turn