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Evaluation Matrixes V2

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A step by step presentation of decision matrixes: how to build them, when to use them.

A step by step presentation of decision matrixes: how to build them, when to use them.

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  • Decision matrixes can be as complex as one wants them to be...
  • Criteria can be added or removed, the results are easy to updateHelps manage scope creepAll stakeholders can contributeGreat for sorting findings of a mind map
  • Transcript

    • 1. Decision Matrixes
      @wickedgeekie - 2010
    • 2. A series of solutions has been identified, how can I find out which one fits best the project requirements? How can I justify this selection? How can I conduct this selection with many people?
    • 3. Welcome to decision matrixes. This is an example matrix. Does this look familiar?
    • 4. What is a decision matrix?
      A decision making technique
      which enables to
      catalogue options
      identify options’ strengths and weaknesses
      rank options against project requirements
      identify the option fitting most closely project requirements
      documents decisions for future reference
      conduct all of the above with 1 or more people
    • 5.
    • 6. Decision matrixes can be as complex as one wants them to be...
    • 7. Walk-through example
      Fanta want to promote their new product on Facebook by enabling users to download a voucher.
      Which Facebook product is best suited for this?
    • 8. Designing the matrix:Inserting the criteria
      Listing the decision criteria
      The page features a voucher, or a link to one
      The brand remains in control of user generated contentof the page
      The page must be highly visible to generate a high volume of downloads
      The solution must be scalable for future promotions
    • 9. Designing the matrix: Adding the propositions
      Listing the propositions
      A list of possible formats of page has been drawn, and form the propositions:
      A Group page
      A Product or Fan page
      An Event page
      An Application
    • 10. Filling in the matrix: comments
      Scoring the propositions for one criteria is much easier as the understanding of what the criteria is is consistent
    • 11. Adding a ranking scale: 1- lowest desirability to 5 – highest desirability
      3
      5
      2
      5
      3
      1
      2
      5
      2
      4
      3
      1
      4
      5
      4
      5
    • 12. Keeping only ranking scores
      3
      5
      2
      5
      3
      1
      5
      2
      2
      4
      3
      1
      4
      5
      4
      5
    • 13. Check if the scores are spread enough: this validates the criteria
      3
      5
      2
      5
      3
      1
      5
      2
      2
      4
      3
      1
      4
      5
      4
      5
      1
      4
      2
      1
      These criteria get scores that are too clustered, they may not be valid – or use weighing to differentiate them
    • 14. Adding weighing
      3x3= 9
      5x2= 10
      2
      5
      3x3= 9
      1x2= 1
      5
      2
      2
      4
      3x3= 9
      1x2= 1
      4x3= 12
      5x2= 10
      4
      5
      Not all criteria are equal, add weighing to distinguish most/least important
    • 15. Calculating totals
      3x3= 9
      5x2= 10
      2
      5
      26
      3x3= 9
      1x2= 1
      5
      17
      2
      2
      4
      3x3= 9
      1x2= 1
      16
      4x3= 12
      5x2= 10
      4
      5
      31
      The last result has the highest total, it matches best the criteria selected.
    • 16. Calculating totals
      3
      5
      2
      5
      15
      3
      1
      5
      11
      2
      2
      4
      3
      1
      9
      4
      5
      4
      5
      18
      Criteria can be added or removed, the results are easy to update
      Helps manage scope creep
      All stakeholders can contribute
      Great for sorting findings of a mind map
    • 17. In the UX work process...
      Can help clarify requirements across the team
      Documents why a solution is selected
      Can be conducted with or without the client, depending on timing/internal consensus
      Can be a deliverable if the question is: “what solution is best and why?”
      Stakeholders may need to be explained what it is and why it’s useful
    • 18. References
      Kepner-tregoe: http://www.decide-guide.com/kepner-tregoe.html
      Mike Swanson: http://blogs.msdn.com/mswanson/archive/2008/07/20/my-decision-matrix.aspx

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