Practice Quiz

PMI PMP Project Manager Certification

Category - Time Management

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Thomas is attempting a one-time estimate for his project at Almost Toast Inc. Which of the following is not a possible implication of one-time estimating?
  1. It might prompt Thomas to pad his estimate.
  2. It may cover up pertinent dependencies and risks to the project.
  3. It may prompt people to doubt Thomas’ project management plan.
  4. It will help expedite the project.
Explanation
Answer: d - One-time estimates may expedite the estimating process but it rarely expedites the project, because of its sketchiness and lack of concrete information.

All the other answers would be possible implications of one-time estimates: It may prompt Thomas to pad his estimates, it may cover up pertinent dependencies and project risks, and the estimate itself may lead to an unrealistic plan, leading people to doubt Thomas’ leadership as well as his project plan.

Key Take Away: Project managers know that using one-time estimates are not effective for large, detailed projects requiring a high degree of certainty. However, ball-parking can be extremely useful in preliminary discussions when prioritizing projects, determining project viability, or for smaller projects that have some flexibility to them.
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