Part 1Which is the best statement regarding work breakdown structure?Part 2
A. A packet is the smallest unit of work effort consuming both time and resources that the project manager can schedule and control. B. WBS should not include a task representing planning of the project that is being planned. C. Each activity in the WBS must have an "owner" who is responsible for doing the work. D. A Level 1 activity is a more micro view (greater level of detail) than a Level 2 activity.

Question

Part 1Which is the best statement regarding work breakdown​ structure?Part 2
A. A packet is the smallest unit of work effort consuming both time and resources that the project manager can schedule and control. B. WBS should not include a task representing planning of the project that is being planned. C. Each activity in the WBS must have an​ "owner" who is responsible for doing the work. D. A Level 1 activity is a more micro view​ (greater level of​ detail) than a Level 2 activity.

BlackTom AI · Accepted Answer

In evaluating the statements about the work breakdown structure (WBS), I’ll consider what each option implies about standard PM practice and foundational concepts.
Option A: 'A packet is the smallest unit of work effort consuming both time and resources that the project manager can schedule and control.' The term here is likely a misspelling of 'work package,' which is indeed the lowest level in a WBS. A work package is the smallest unit that can be scheduled, costed, and assigned, and it represents a discrete scope of work. This makes the statement largely correct in meaning, despite the typographical issue. The key idea is that the smallest schedulable unit is a work package, not a larger collection of tasks.
Option B: 'WBS should not include a task representing planning of the project that is being planned.' In practice, planning activities can be encompassed within the WBS as tasks or work packages that produce planning deliverables (like a project management plan or schedules). Excluding planning tasks would omit essential work necessary to define and control the project. Therefore, this statement is incorrect because planning work can and often should appear in the WBS.
Option C: 'Each activity in the WBS must have an owner who is responsible for doing the work.' Assigning ownership or responsibility is a common and recommended practice to ensure accountability for each component of the WBS. While the PMBOK and related methodologies encourage assigning owners, the phrasing 'must have an owner' could be interpreted as a strict requirement rather than a best practice. Depending on interpretation, this statement is arguably correct in intent but could be debated as a strict rule. Since the question asks for the best statement, this option aligns with standard practice of accountability, though it hinges on whether one treats ownership as mandatory rather than advisable.
Option D: 'A Level 1 activity is a more micro view (greater level of detail) than a Level 2 activity.' This is a misconception. Level 1 elements represent the highest level of the WBS (the broadest deliverables or project components). Level 2 elements are more detailed breakdowns of those Level 1 items. Thus, describing Level 1 as a more micro view is the opposite of reality and is incorrect.
Putting these analyses together, A is aligned with the core concept that the smallest schedulable unit in a WBS is the work package, B misstates the role of planning tasks within the WBS, C aligns with the importance of ownership though might be debated as a strict requirement, and D correctly identifies the relationship between Level 1 and Level 2 in terms of granularity. The reasoning shows why A best captures the standard understanding of a WBS’s smallest unit, while the others contain factual or conceptual issues.

Homework:Ch 08 Homework

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The team lists major deliverables, breaks them into smaller tasks, and assigns each to specific departments. Which project tool supports this process?

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实际上，不同公司在进行估算时，工作分解结构（WBS）的制定方式有所不同，原因如下：

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