Scope Decomposition
Scope Decomposition involves breaking down the project scope into smaller, manageable parts, known as Work Breakdown Structure (WBS). The creation of the WBS is part of the process used to manage product scope and project scope. The main purpose of decomposing the scope is to render it more manageable, achievable, and controllable. For example, the project is divided into phases, and the phases are subdivided into sub-projects, tasks, sub-tasks, etc., which can better be monitored and managed.
Guide to Scope Decomposition
The Scope Decomposition is a critical concept in the Project Management Body of Knowledge (PMBOK) Guide Seventh Edition. Scope Decomposition involves breaking down the project scope into smaller, manageable components. It is a planning process which results in creation of the Work Breakdown Structure (WBS).
Importance: The Scope Decomposition is essential for detailed project planning, risk identification, cost estimation, and assigning responsibilities. It is a tool that gives a clearer understanding of the scope of work that needs to be done to complete the project successfully.
Working: It works in a hierarchical way where the main project goal is at the top, and as you go down, the tasks get more detailed. The end goal of the Scope Decomposition process is to make sure that all the tasks are manageable and can be assigned to a team or individual.
Exam Tips: Answering Questions on Scope Decomposition
1. Understand the purpose of Scope Decomposition. Questions often check if you are aware of why we use scope decomposition and the benefits it offers. 2. Be able to distinguish between the project scope and product scope. These are usually intertwined in questions.
3. Remember the levels of the WBS: the higher levels are less detailed while the lower levels are more detailed. This can often come up in scenario-based questions.
4. Understanding that a task/subtask should be assigned to only one person or team. This principle might be tested.
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