Community Guide of the PMI-ACP Adaptive Planning
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What You Will Learn
Progressive elaboration involves continuously improving and detailing a plan as more detailed and specific information and more accurate estimates become available. Progressive elaboration allows a project management team to define work and manage it to a greater level of detail as the project evolves.
PMI-ACP Exam Outline Reference
In agile approaches, progressive elaboration is achieved by short iterations or development cycles with a step of refining the backlog at the beginning of (and sometimes during) an iteration. In iterative projects, rolling wave planning is a common technique of progressive elaboration.
Rolling Wave Planning
Sources & Reference
PMBOK, part 2, ch. 3, p. 565
Examples of progressive elaboration