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Evaluation Matrixes V2
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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

Evaluation Matrixes V2 Evaluation Matrixes V2 Presentation Transcript

  • Decision Matrixes
    @wickedgeekie - 2010
  • 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?
  • Welcome to decision matrixes. This is an example matrix. Does this look familiar?
  • 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
  • Decision matrixes can be as complex as one wants them to be...
  • 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?
  • 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
  • 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
  • Filling in the matrix: comments
    Scoring the propositions for one criteria is much easier as the understanding of what the criteria is is consistent
  • 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
  • Keeping only ranking scores
    3
    5
    2
    5
    3
    1
    5
    2
    2
    4
    3
    1
    4
    5
    4
    5
  • 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
  • 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
  • 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.
  • 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
  • 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
  • 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