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Topics: Scheduling, Scope Management, Scrum, Work Breakdown Structures (WBS)
Progressive Elaboration vs Rolling Wave Planning
Oftem times it can be understood easily but sometimes not so easy when trying to explain this concept to students.

Rolling Wave Planning is a form of progressive elaboration but is progressive elaboration a form a Rolling Wave Planning?

If I was correct in my explanation, the PMBOK Guide Fifth Edition mentions Rolling Wave Planning as a form a Progressive Elaboration.
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There are different ways to do progressive elaboration, George. Rolling wave planning is one way. But progressive elaboration is much more than just rolling wave planning.
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1 reply by George Lewis
Apr 10, 2016 7:56 PM
George Lewis
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Thanks Stephane, I know that prototype is another one additional way of doing it, are there others?
Apr 10, 2016 7:42 PM
Replying to Stéphane Parent
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There are different ways to do progressive elaboration, George. Rolling wave planning is one way. But progressive elaboration is much more than just rolling wave planning.
Thanks Stephane, I know that prototype is another one additional way of doing it, are there others?
Both prototypes and rolling wave planning work on the presumption of building to the next best iteration.

Personally, I would consider continuous improvement, where things are always becoming better, another form of progressive elaboration.
What is Progressive Elaboration?

Planning is an iterative process. Often times, it's difficult to do detailed planning of a project in the beginning. As the project evolves, and more specific and accurate details are available, the planning gets more detailed.

With each successive iteration of the planning process, the project plan becomes more elaborate and complete. This approach to planning is known as Progressive Elaboration.

By Harwinder Singh
That is one person's perspective and definition, George. Myself, I find it a bit constrictive.

I see progressive elaboration as a process of repetitively finding and adding details to a work product.
What is Rolling Wave Planning?

Rolling Wave Planning is one of the techniques in the 'Define Activities' process under Project Time Management. In this technique, detailed planning is done for activities in near term and high-level planning for activities to be performed far away in the future. As the project progresses, and requirements become more clear, more detailed planning is done for the work packages at lower levels of the WBS.

By Harwinder Singh
What are Prototypes?

Prototypes are a technique in the 'Collect Requirements' process under Project Scope Management. Prototyping is a method of obtaining early feedback on requirements by providing a "tangible" working model or a mock-up of the expected product before actually building it. It gives stakeholders an opportunity to test and experiment with a model of their final product and give them a way to 'visualize' their end product. Prototypes help to identify problems early in the project and reduce project risks.

By Harwinder Singh
The person who best answers the interview questions. Remember, the certification only gets you to the interview.
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1 reply by George Lewis
Apr 12, 2016 11:51 AM
George Lewis
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Sorry Stephane, the trail is actually here...

http://www.projectmanagement.com/discussio...t=asc&pageNum=5
Apr 12, 2016 10:58 AM
Replying to Stéphane Parent
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The person who best answers the interview questions. Remember, the certification only gets you to the interview.
Sorry Stephane, the trail is actually here...

http://www.projectmanagement.com/discussio...t=asc&pageNum=5
Oops! Thank you for spotting that George.
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