Progressive Elaboration
Progressive elaboration is the iterative process of increasing the level of detail in a project management plan as more information becomes available and estimates become more precise.
Explanation
Progressive elaboration is a fundamental concept in project management that recognizes project plans are developed iteratively. At the beginning of a project, information is limited and estimates are rough. As the project progresses, the team gathers more information, reduces uncertainty, and refines the plan with greater accuracy and detail.
This concept applies to all aspects of project management: scope is progressively elaborated from a high-level charter to detailed WBS work packages; schedules move from rough order of magnitude estimates to definitive estimates; and risk responses evolve from preliminary strategies to detailed action plans. Progressive elaboration does not mean scope creep; it means adding detail within approved scope boundaries.
Progressive elaboration is a natural complement to rolling wave planning and is inherent in agile approaches where product backlogs are continually refined. It ensures that project teams invest planning effort proportional to the certainty of the information available, avoiding wasteful over-planning of uncertain future work.
Key Points
- •Plans become more detailed as information and understanding increase
- •Applies to scope, schedule, cost, risk, and all planning areas
- •Is NOT scope creep; it adds detail within approved boundaries
- •Inherent in agile backlog refinement and iterative planning
Exam Tip
Progressive elaboration is about adding detail as you learn more. It is NOT scope creep. The exam may try to trick you into confusing the two; know the distinction clearly.
Frequently Asked Questions
Related Topics
Rolling Wave Planning
Rolling wave planning is an iterative planning technique where near-term work is planned in detail while future work is planned at a higher level, with details added as the project progresses.
Prototyping
Prototyping is a requirements elicitation technique that creates a working model of the expected product before building the final version, enabling early feedback and iterative refinement.
Design Thinking
Design thinking is a human-centered problem-solving approach that uses empathy, ideation, and experimentation to develop innovative solutions that meet user needs.
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