Process Interactions

We've covered a lot of material, but I'll explain one more concept before concluding. As stated earlier, project managers must determine the processes that are appropriate for effectively managing a project based on the complexity and scope of the project, available resources, budget, and so on. As the project progresses, the project management processes might be revisited and revised to update the project management plan as more information becomes known. Underlying the concept that process groups are iterative is a cycle the PMBOK®Guide describes as the Plan-Do-Check-Act cycle, which was originally defined by Walter Shewhart and later modified by Edward Deming. The idea behind this concept is that each element in the cycle is results oriented. The results from the Plan cycle become inputs into the Do cycle, and so on, much like the way the project management process groups interact. The cycle interactions can be mapped to work in conjunction with the five project management process groups. For example, the Plan cycle maps to the Planning process group. Before going any further, here's a brief refresher:

■ Project phases describe how the work required to produce the product of the project will be completed.

■ Project management process groups organize and describe how the project activities will be completed in order to meet the goals of the project.

■ The Plan-Do-Check-Act cycle is an underlying concept that shows the integrative nature of the process groups.

Figure 1.8 shows the relationships and interactions of the concepts you've learned so far. Please bear in mind that a simple figure can't convey all the interactions and iterative nature of these interactions; however, I think you'll see that the figure ties the basic elements of these concepts together.

Project Management Made Easy

Project Management Made Easy

What you need to know about… Project Management Made Easy! Project management consists of more than just a large building project and can encompass small projects as well. No matter what the size of your project, you need to have some sort of project management. How you manage your project has everything to do with its outcome.

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