Major differences between the Third Edition and the Fourth Edition PMBOK® Guides

The Project Management Institute has released a new Fourth Edition of the “Guide to Project Management Body of Knowledge (PMBOK®). A new version of the Project Management Professional (PMP®) exam, based upon the PMBOK® Guide – Fourth Edition, was placed into worldwide use for credential examinations taken on or after June 30th of 2009.

At the time of the release of the Fourth Edition, it was not quoted by PMI® that there would be no changes to the exam eligibility criteria, the application process or the passing score for the PMP® Exam.
  • All process names are now in a verb-noun format, for example the Scope Verification process is now Verify Scope process
  • The number of processes has decreased from 44 to 42, by deleting two processes, adding two processes and another 6 processes were reconfigured into four processes
  • Process 4.2 Develop Preliminary Project Scope Statement is deleted since the project charter contains many of the preliminary goals for the project and these goals are further elaborated in the Scope Statement
  • Process 5.1 Scope Planning is deleted and replaced with a new process 5.1 Collect Requirements
  • Process 12.1 Plan Purchases and Acquisitions and process 12.2 Plan Contracting is merged to one process of 12.1 Plan Procurements
  • Process 12.3 Request Seller Responses and process 12.4 Select Sellers was merged to one process of 12.2 Conduct Procurements
  • A data flow diagram for each process has been added which clarifies inputs and outputs
  • A new Appendix G is added that stresses key communication, leadership and management skills for a project manager
  • Process flow diagrams, which were at the beginning of Chapters 4-12, have been deleted and replaced with data flow diagrams
  • Within Project Management Framework, specific attention is given to the differences between the Project Management Plan and the other project management documents
  • The distinction between the information in the Project Charter and the Project Scope Statement was clarified
  • The classic three triple constraints of schedule, scope and cost were replaced by six competing demands of scope, quality, schedule, budget, resources and risk
  • Added a section on project management versus operations management
  • Deleted the Arrow Diagramming Method (ADM), aka Activity on Arrow (AOA), for network diagrams
  • Two new Earned Value Management (EVM) forecasting metrics: To-Complete Performance Index (TPIC) and Estimate at Completion (EAC) with a new Estimate to Completion calculation, both using Schedule Performance Index (SPI) and Cost Performance Index (CPI) as denominators
  • Moved 9.3 Manage Project Team from the Monitoring and Controlling process group to the Executing process group
  • Enterprise environmental factors are more clearly defined to avoid confusion with organizational process assets

PMBOK 3rd edition

PMBOK 4th edition

4.1 Develop Project Charter

4.1 Develop Project Charter

4.2 Develop Preliminary Project Scope Statement

4.3 Develop Project Management Plan

4.2 Develop Project Management Plan

4.4 Direct and Manage Project Execution

4.3 Direct and Manage Project Execution

4.5 Monitor and Control Project Work

4.4 Monitor and Control Project Work

4.6 Integrated Change Control

4.5 Perform Integrated Change Control

4.7 Close Project

4.6 Close Project or Phase

5.1 Scope Planning

5.1 Collect Requirements

5.2 Scope Definition

5.2 Define Scope

5.3 Create WBS

5.3 Create WBS

5.4 Scope Verification

5.4 Verify Scope

5.5 Scope Control

5.5 Control Scope

6.1 Activity Definition

6.1 Define Activities

6.2 Activity Sequencing

6.2 Sequence Activities

6.3 Activity Resource Estimating

6.3 Estimate Activity Resources

6.4 Activity Duration Estimating

6.4 Estimate Activity Durations

6.5 Schedule Development

6.5 Develop Schedule

6.6 Schedule Control

6.6 Control Schedule

7.1 Cost Estimating

7.1 Estimate Costs

7.2 Cost Budgeting

7.2 Determine Budget

7.3 Cost Control

7.3 Control Costs

8.1 Quality Planning

8.1 Plan Quality

8.2 Perform Quality Assurance

8.2 Perform Quality Assurance

8.3 Perform Quality Control

8.3 Perform Quality Control

9.1 Human Resource Planning

9.1 Develop Human Resource Plan

9.2 Acquire Project Team

9.2 Acquire Project Team

9.3 Develop Project Team

9.3 Develop Project Team

9.4 Manage Project Team

9.4 Manage Project Team

10.1 Communications Planning

10.1 Identify Stakeholders

10.2 Information Distribution

10.2 Plan Communications

10.3 Performance Reporting

10.3 Distribute Information

10.4 Manage Stakeholders

10.4 Manage Stakeholder Expectations

10.5 Report Performance

11.1 Risk Management Planning

11.1 Plan Risk Management

11.2 Risk Identification

11.2 Identify Risks

11.3 Qualitative Risk Analysis

11.3 Perform Qualitative Risk Analysis

11.4 Quantitative Risk Analysis

11.4 Perform Quantitative Risk Analysis

11.5 Risk Response Planning

11.5 Plan Risk Responses

11.6 Risk Monitoring and Control

11.6 Monitor and Control Risks

12.1 Plan Purchases and Acquisitions

12.1 Plan Procurements

12.2 Plan Contracting

12.2 Conduct Procurements

12.3 Request Seller Responses

12.3 Administer Procurements

12.4 Select Sellers

12.4 Close Procurements

12.5 Contract Administration

12.6 Contract Closure

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Reference: Project Management JumpStart by Kim Heldman, page 268

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