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CAPM · Question #93

A project manager called for a team meeting to estimate the project effort. During the session, the team went on to identify all the deliverables and analyzed the related work. Each of the analyzed…

The correct answer is C. Decomposition. Decomposition is the technique of breaking deliverables into smaller, more manageable components and then estimating each component individually.

Predictive, Plan-Based Methodologies

Question

A project manager called for a team meeting to estimate the project effort. During the session, the team went on to identify all the deliverables and analyzed the related work. Each of the analyzed deliverables were estimated. Which estimation method did the team use?

Options

  • ARolling wave planning
  • BExpert judgment
  • CDecomposition
  • DData analysis

How the community answered

(51 responses)
  • A
    6% (3)
  • B
    10% (5)
  • C
    82% (42)
  • D
    2% (1)

Why each option

Decomposition is the technique of breaking deliverables into smaller, more manageable components and then estimating each component individually.

ARolling wave planning

Rolling wave planning is a progressive elaboration technique where near-term work is planned in detail and future work is planned at a higher level, which does not describe the full decomposition of deliverables shown here.

BExpert judgment

Expert judgment relies on individuals with specialized knowledge to provide estimates based on experience, without the structured breakdown of deliverables described in the scenario.

CDecompositionCorrect

Decomposition involves subdividing project deliverables and project work into smaller, more manageable parts, then estimating effort at that granular level. The team's process of identifying all deliverables, analyzing related work, and estimating each decomposed element is the textbook definition of this technique used in both scope and schedule estimation.

DData analysis

Data analysis refers to examining existing data to draw conclusions and is not a specific estimation technique for breaking down and estimating deliverables.

Concept tested: Decomposition technique for effort estimation

Source: https://www.pmi.org/pmbok-guide-standards/foundational/pmbok

Topics

#Decomposition#Effort Estimation#Scope Definition#Work Breakdown Structure

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