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Scope: Mastering 
the 
Fuzzy 
Constraint 
Brad Bigelow 
First delivered to the PMI Global Congress EMEA 2012
Outline 
 Introduction: The Triple Constraints 
 What Makes Scope Fuzzy? 
 The Multiple Dimensions of Scope 
 Scope Change: Good or Bad? 
 Looking at Scope Change from Different Angles 
 Conclusion: The Need for Perspective
The Triple Constraint 
Time 
Cost Scope
Or, Put Another Way  
Pick any two: 
__ Better 
__ Faster 
__ Cheaper
The Triple Constraints 
Project Management, by John Stanley Baumgartner, 1963
Time 
Start 
Planned 
Actual 
Finish 
Start Finish 
Early Late 
200 days 
200 days 
210 days
Cost 
Planned Actual 
Under Over 
$200,000 
$200,000 
$225,000
What is Scope, Anyway? 
The sum of the products, 
services, and results to be 
provided as a project. 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
Scope? 
Planned Actual 
Under Over 
??? 
What number 
would apply?
How Do You Define the Boundary of 
Scope? 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
A Fuzzy Set: Tall Basketball Players 
Manute Bol 
7 ft. 7 in. 
Muggsy Bogues 
5 ft. 3 in. 
Jason Kidd 
6 ft. 4in. 
Dirk Nowitski 
7 ft. 
Josh Howard 
6 ft. 7 in. 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
A Set with a Clear Boundary 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
A Set with a Fuzzy Boundary 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
Boundaries Alone Dont Always Help 
Is the Glass Half Empty? 
Half Full? 
Or is the Glass Too Big? 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
Three Key Aspects of Scope 
 Output (products, deliverables) 
 Work 
 Boundaries 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
Still a Triangle? 
Time 
Cost 
Products 
Work 
Boundaries 
Scope 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
Product Breakdown Structure 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
Work Breakdown Structure 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
Boundaries 
 Authority 
 What Project Manager has authority to decide 
 Legal 
 What means are considered legal? 
 Regulatory 
 Are there health and safety constraints? 
 Interfaces 
 Do the products have to work with other systems? 
 Policy 
 Are there policy constraints on how the work is done? 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
Still a Triangle? 
Time 
Cost 
Products 
Scope 
Work 
Boundaries 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
And Yet Other Aspects of Scope 
 Quantity 
 Location 
 Functional requirements 
 Non-Functional 
requirements 
 Modes of operation 
 Production methods and 
facilities 
 Test or certification 
requirements 
 Intended users 
 Procurement 
 Transparency 
 Look and feel/Appearance 
 Resources 
 Raw materials 
 Environmental factors 
 Standardization 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
Still a Triangle? 
Time 
Cost 
Products 
Scope 
Work 
Boundaries 
Other Factors 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
Scope: Mastering the Fuzzy Constraint
How to Tame the Scope Beast 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only 
Presentation Title
MoSCoW Analysis 
 Must Have 
 Should Have 
 Could Have 
 Wont Have 
Scope 
Definitely In 
Definitely Out 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
The Most Important Aspect of Scope 
Change? 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
The Traditional Approach 
#1. 
Plan 
the 
Work 
#2. 
Work 
the 
Plan 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
The Traditional Approach 
Scope Change 
= 
Deviation from the Plan 
Change? 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
Scope 
Change 
= 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
The Adaptive Approach 
#1. 
Plan 
the 
Work 
#4: Adapt the Plan 
#2. 
Work 
the 
Plan 
#3. 
Compare 
with 
Reality 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
Obeng Matrix 
Know What Dont Know What 
Quest 
Painting by 
Numbers 
Lost in a Fog 
Making a Movie 
Know How Dont Know How 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
Rationale for Change 
Unsound Sound 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
Impact of Duration 
Planning Completion 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
Impact of Duration 
Planning Completion 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
The Project is Not the Center of the Universe 
You are Here 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
Third Law of Motion 
Rejecting a change has a consequence 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only 
Presentation Title
What Happens to Change 
that Falls Out of Scope? 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only
Summary 
 Project Scope is Inherently Fuzzy 
 Break it Down into as Many Aspects as Relevant 
 Find out preference and priorities (MoSCoW) 
 Understand the Appetite for Change 
 Dont Lose Sight of the Big Picture 
PMI is a registered trade and service mark of the Project Management Institute, Inc. 
息2010 Permission is granted to PMI for PMI速 Marketplace use only

More Related Content

Scope: Mastering the Fuzzy Constraint

  • 1. Scope: Mastering the Fuzzy Constraint Brad Bigelow First delivered to the PMI Global Congress EMEA 2012
  • 2. Outline Introduction: The Triple Constraints What Makes Scope Fuzzy? The Multiple Dimensions of Scope Scope Change: Good or Bad? Looking at Scope Change from Different Angles Conclusion: The Need for Perspective
  • 3. The Triple Constraint Time Cost Scope
  • 4. Or, Put Another Way Pick any two: __ Better __ Faster __ Cheaper
  • 5. The Triple Constraints Project Management, by John Stanley Baumgartner, 1963
  • 6. Time Start Planned Actual Finish Start Finish Early Late 200 days 200 days 210 days
  • 7. Cost Planned Actual Under Over $200,000 $200,000 $225,000
  • 8. What is Scope, Anyway? The sum of the products, services, and results to be provided as a project. PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 9. Scope? Planned Actual Under Over ??? What number would apply?
  • 10. How Do You Define the Boundary of Scope? PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 11. PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 12. A Fuzzy Set: Tall Basketball Players Manute Bol 7 ft. 7 in. Muggsy Bogues 5 ft. 3 in. Jason Kidd 6 ft. 4in. Dirk Nowitski 7 ft. Josh Howard 6 ft. 7 in. PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 13. A Set with a Clear Boundary PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 14. A Set with a Fuzzy Boundary PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 15. Boundaries Alone Dont Always Help Is the Glass Half Empty? Half Full? Or is the Glass Too Big? PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 16. Three Key Aspects of Scope Output (products, deliverables) Work Boundaries PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 17. Still a Triangle? Time Cost Products Work Boundaries Scope PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 18. Product Breakdown Structure PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 19. Work Breakdown Structure PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 20. Boundaries Authority What Project Manager has authority to decide Legal What means are considered legal? Regulatory Are there health and safety constraints? Interfaces Do the products have to work with other systems? Policy Are there policy constraints on how the work is done? PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 21. Still a Triangle? Time Cost Products Scope Work Boundaries PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 22. And Yet Other Aspects of Scope Quantity Location Functional requirements Non-Functional requirements Modes of operation Production methods and facilities Test or certification requirements Intended users Procurement Transparency Look and feel/Appearance Resources Raw materials Environmental factors Standardization PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 23. Still a Triangle? Time Cost Products Scope Work Boundaries Other Factors PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 25. How to Tame the Scope Beast PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only Presentation Title
  • 26. MoSCoW Analysis Must Have Should Have Could Have Wont Have Scope Definitely In Definitely Out PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 27. The Most Important Aspect of Scope Change? PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 28. The Traditional Approach #1. Plan the Work #2. Work the Plan PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 29. The Traditional Approach Scope Change = Deviation from the Plan Change? PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 30. Scope Change = PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 31. The Adaptive Approach #1. Plan the Work #4: Adapt the Plan #2. Work the Plan #3. Compare with Reality PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 32. Obeng Matrix Know What Dont Know What Quest Painting by Numbers Lost in a Fog Making a Movie Know How Dont Know How PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 33. Rationale for Change Unsound Sound PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 34. Impact of Duration Planning Completion PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 35. Impact of Duration Planning Completion PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 36. The Project is Not the Center of the Universe You are Here PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 37. Third Law of Motion Rejecting a change has a consequence PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only Presentation Title
  • 38. What Happens to Change that Falls Out of Scope? PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only
  • 39. Summary Project Scope is Inherently Fuzzy Break it Down into as Many Aspects as Relevant Find out preference and priorities (MoSCoW) Understand the Appetite for Change Dont Lose Sight of the Big Picture PMI is a registered trade and service mark of the Project Management Institute, Inc. 息2010 Permission is granted to PMI for PMI速 Marketplace use only