Estimation challenges are common among new agile teams. According to thePMI Agile Practice Guide (Section 5.2 Requirements and Estimating Techniques), improving estimation accuracy involvesteam collaboration, continuous feedback, and inspecting and adapting techniquessuch as Planning Poker, affinity estimation, or triangulation. These discussions should happen in dedicated planning or retrospective meetings, but estimation issues can be flagged and lightly discussed in daily scrums to initiate deeper review.
Mike Griffiths in thePMI-ACP Exam Prep Book (Chapter 6: Adaptive Planning)advises that estimation is ateam activity, not an individual one, and that teams learn and improve accuracy over time throughfeedback loops and shared insights.
Option Bis correct because discussing estimating challenges—even briefly during daily scrums—raises team awareness and drives improvement.
Option AandCdeal with symptoms rather than the root cause.
Option Dsuggests using metrics for performance evaluation, which contradicts agile values (Agile Manifesto: "Individuals and interactions over processes and tools").
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