PMI-ACP · Question #606
A newly formed development team experienced difficulty with accurately estimating product backlog items. As a result, the team failed to deliver all of the features in the sprint backlog for the…
The correct answer is A. Decrease the sprint time box until the team is able to deliver the entire agreed-upon sprint. When a team consistently over-commits and fails to deliver the full sprint backlog, shortening the sprint time box forces smaller commitments per iteration. With less work to plan, the team can decompose items more thoroughly, improving estimation accuracy and making it…
Question
A newly formed development team experienced difficulty with accurately estimating product backlog items. As a result, the team failed to deliver all of the features in the sprint backlog for the past two iterations. What should the team do to improve the accuracy of their estimates?
Options
- ADecrease the sprint time box until the team is able to deliver the entire agreed-upon sprint
- CIncrease the size of the development team until the team is able to deliver the entire agreed-upon
- DBegin tracking estimated effort metrics as an input to performance evaluation
How the community answered
(25 responses)- A76% (19)
- C16% (4)
- D8% (2)
Explanation
When a team consistently over-commits and fails to deliver the full sprint backlog, shortening the sprint time box forces smaller commitments per iteration. With less work to plan, the team can decompose items more thoroughly, improving estimation accuracy and making it realistic to finish what they start. This also creates more frequent inspect-and-adapt cycles, helping the team calibrate faster. Increasing team size (C) does not directly address estimation skill gaps and introduces the coordination overhead of onboarding. Tracking effort metrics as a performance input (D) adds evaluative pressure but does not build estimation competence or reduce over-commitment.
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