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The Pugh Matrix is a criteria-based decision matrix which uses criteria scoring to determine which of several potential solutions or alternatives should be selected.  The technique gets its name from Stuart Pugh and has become a standard part of Six Sigma methodology.  It is typically used after the development of the VOC (Voice of the Customer) and after the creation of a QFD (Quality Function Design).

The Pugh Matrix may be know by a number of other names, including:

• Decision matrix/grid
• Selection matrix/grid
• Problem matrix
• Opportunity analysis
• Criteria rating form
• Criteria-based matrix

The Pugh Matrix

• Allows the analyst to organize various criteria (or features) of a solution in a structured way for easy comparison
• Facilitates a team-based process for disciplined concept generation and selection
• Allows the analyst to develop a optimal solution which is a hybrid of other strong solutions

Sample Pugh Matrix

The steps for creating a Pugh Matrix are as follows:

• Identify relevant user requirement or criteria.  The example shows very generic criteria. A read life example would be more specific.
• Develop weights for each of the requirements.  This is optional for weighting the scores.  Various weighting strategies can be used.
• Generate several viable alternatives for a solution.
• Select one of the alternatives as a baseline. This is often a current state solution.
• Evaluate each alternative against the baseline scoring it as positive, negative or equal in meeting the criteria.
• Total the values from each alternative, multiplying each value by its weight if the optional scoring mechanism was used. (See step 2).
• Combine the best elements of each alternative to create an optimal hybrid solution.

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Chris Adams
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