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Main steps of the decision process supported by a simple example – a Toaster choice
Main steps of the decision process
1. The problem <ul><li>The  Simpsons are a family with an old toaster they bought for less than € 10 many years ago, and i...
<ul><li>In the toaster example, all members of the  SIMPSON FAMILY  are the  STAKEHOLDERS  (anyone who can make a useful a...
<ul><li>But … so many people, so many different points of view… </li></ul>Different stakeholders Different points of view
2. Identification of the  alternatives <ul><li>The Simpson family decides to narrow its considerations to  7 ALTERNATIVES ...
3. Identification of criteria <ul><li>The criteria are the  attributes  selected by stakeholders and  used to evaluate  ea...
4. Identification of the relationship between criteria and alternatives <ul><li>The family detects the value of every crit...
5. Identify a criteria priority scale <ul><li>At this point the Simpson family identifies a criteria priority scale: </li>...
6. Classify the alternatives <ul><li>.. and then they can make a final ranking of alternatives (toaster models): </li></ul...
7. Take a decision <ul><li>Finally the Simpsons make a toaster ranking and make their choice! </li></ul>
Resuming the main steps of the decision process <ul><ul><ul><li>After the identification of the  problem  and the  stakeho...
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2-the main steps of decisional process supported by a simple example

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Transcript of "2-the main steps of decisional process supported by a simple example"

  1. 1. Main steps of the decision process supported by a simple example – a Toaster choice
  2. 2. Main steps of the decision process
  3. 3. 1. The problem <ul><li>The Simpsons are a family with an old toaster they bought for less than € 10 many years ago, and it now toasts unevenly. </li></ul>
  4. 4. <ul><li>In the toaster example, all members of the SIMPSON FAMILY are the STAKEHOLDERS (anyone who can make a useful and significant contribution to the choice). </li></ul>1. Stakeholders involved
  5. 5. <ul><li>But … so many people, so many different points of view… </li></ul>Different stakeholders Different points of view
  6. 6. 2. Identification of the alternatives <ul><li>The Simpson family decides to narrow its considerations to 7 ALTERNATIVES that correspond to 7 different toaster models: </li></ul><ul><ul><ul><li>Boots 2-slice </li></ul></ul></ul><ul><ul><ul><li>Kenwood TT350 </li></ul></ul></ul><ul><ul><ul><li>Marks & Spencer 2235 </li></ul></ul></ul><ul><ul><ul><li>Morphy Richards </li></ul></ul></ul><ul><ul><ul><li>Coolstyle Philips HD4807 </li></ul></ul></ul><ul><ul><ul><li>Kenwood TT825 </li></ul></ul></ul><ul><ul><ul><li>Tefal Thick’n’Thin 8780 </li></ul></ul></ul>
  7. 7. 3. Identification of criteria <ul><li>The criteria are the attributes selected by stakeholders and used to evaluate each alternative. </li></ul><ul><li>A “ placid ” discussion reduces </li></ul><ul><li> the criteria to just 3: </li></ul><ul><ul><ul><li>price </li></ul></ul></ul><ul><ul><ul><li>presence of reheat setting </li></ul></ul></ul><ul><ul><ul><li>number of disadvantages </li></ul></ul></ul>
  8. 8. 4. Identification of the relationship between criteria and alternatives <ul><li>The family detects the value of every criterion corresponding to each toaster model (alternatives): </li></ul><ul><li>.. and of course for each value they have a satisfaction level (i.e. smallest price biggest satisfaction). </li></ul>Alternatives Price Presence of reheat setting Number of disadvantages Boot 2-slice 18 3 Kenwood TT350 27 √ 3 Marks & Spencer 2235 25 √ 3 Morphy Richards 22 2 Coolstyle Philips HD4807 22 √ 2 Kenwood TT825 30 2 Tefal Thick’n’Thin 8780 20 √ 5
  9. 9. 5. Identify a criteria priority scale <ul><li>At this point the Simpson family identifies a criteria priority scale: </li></ul>1 3 2 price Number of disadvantages Presence of reheat setting
  10. 10. 6. Classify the alternatives <ul><li>.. and then they can make a final ranking of alternatives (toaster models): </li></ul>1 2 4 5 6 7 3 Coolstyle Philips HD4807 Morphy Richards Boot 2-slice Marks & Spencer 2235 Kenwood TT350 Tefal Thick’n’Thin 8780 Kenwood TT825
  11. 11. 7. Take a decision <ul><li>Finally the Simpsons make a toaster ranking and make their choice! </li></ul>
  12. 12. Resuming the main steps of the decision process <ul><ul><ul><li>After the identification of the problem and the stakeholders involved ( 1. ) and also the different alternatives to be considered ( 2. ) let’s summarize the main steps </li></ul></ul></ul>
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