PMBOK® Guide - 4th Edition Changes
PMI has refined PMBOK further, and introduces various minor and major changes. This chapter gives a description of most of the changes done.
Process Names:
All process names are now in a verb-noun format as follows:
PMBOK 3rd Edition | PMBOK 4th Edition |
Activity Definition | Define Activities |
Activity Sequencing | Sequence Activities |
Activity Resource Estimating | Estimate Activity Resources |
Activity Duration Estimating | Estimate Activity Durations |
Schedule Development | Develop Schedule |
Schedule Control | Control Schedule |
You should not bother too much about this changes.
Change requests clarified:
Change requests now include following:
Change requests
Corrective action
Preventive action
Defect repair
PMBOK Processes:
PMBOK 4th edition decreased number of processes from 44 to 42. Following two processes have been deleted from the PMBOK:
Following two processes have been added:
Identify Stakeholders
Collect Requirements
Following processes have been merged into a single process:
Project Mgmt Plan vs. Project Documents:
PMBOK 4 gives clear distinction between Project Management Plan and Project Documents. Here is the list of major factors:
Project Management Plan | Project Documents |
Requirements management plan.
Communications management plan
Risk management plan
Procurement management plan
Scope management plan
Schedule management plan
ETC.
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Project Charter vs. Project Scope Statement:
PMBOK 4 gives clear distinction between Project Charter and Project Scope Statement. Here is the list of major factors:
Project Charter | Project Scope Statement |
Project purpose or justification
Measurable project objectives and related success criteria
High-level requirements
High-level project description
Summary milestone schedule
Summary budget
Project approval requirements
Project Manager, responsibility and authority level.
Authorizing person
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Process Diagrams:
PMBOK 4 deleted Process Flow Diagrams and introduced a new Data Flow Diagrams.
Triple Constraints:
Triple constraint expanded to include quality, resources and risk. So now common project constraints are:
Scope
Quality
Schedule
Budget
Resources
Risk
Interpersonal Skills:
New appendix has been added which explains following interpersonal skills for a project manager:
Miscellaneous Changes:
There are following important considerable changes have been done in the latest version of PMBOK 4th edition.
Aligned with other standards
A bit more on project life cycles
More detail on types of stakeholders
Clarified Develop Project Management Plan
Deleted Activity on Arrow (AOA)
Three point estimating includes PERT equation
Added to-complete performance index (TCPI) to Control Cost
More discussion on cost of quality
Deleted quality baseline
Added information on interpersonal skills
Moved Manage Project Team from monitoring and controlling to executing.
Moved Manage Stakeholder Expectations from monitoring and controlling to executing.
Discussed teaming agreements.
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