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# 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:

- Develop Preliminary Scope Statement.

- Plan Scope.

Following two processes have been added:

- Identify Stakeholders

- Collect Requirements

Following processes have been merged into a single process:

- Plan Purchases and Acquisitions and Plan Contract to Plan Procurements

- Request Seller Responses and Select Sellers to Conduct Procurements

# 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.

- Assumption log

- Change log

- Risk register

- Duration estimates

- Resource requirements

- Source selection criteria

- ETC.

# 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

- Product scope description

- Project deliverables

- User acceptance criteria

- Project boundaries

- Project constraints

- Project assumptions

# 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:

- Leadership

- Team building

- Motivation

- Communication

- Influencing

- Decision making

- Political and cultural awareness

- Negotiation

# 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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