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Project Management Professional · PMI
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Correct Answer: D. Determine cross-dependencies and plan a spike in the next sprint. If some user stories are taking longer, the PM should investigate technical uncertainty and dependencies. A spike is a time-boxed research activity used to explore an unknown area and help the team estimate or deliver the story more effectively.
A spike is an intentional time‑boxed activity used to investigate unknowns, reduce complexity, and clarify technical or functional uncertainty. In a prototyping environment—where discovery is high and requirements evolve—stories often take longer because: Hidden dependencies weren’t understood Technical feasibility is unclear The prototype revealed new constraints The team lacks information to estimate accurately Planning a spike in the next sprint helps the team explore, test, and learn quickly so future stories can be delivered predictably.
Not A - Retrospectives are intended to inspect and improve the team's way of working. While risks may be discussed there, waiting until the retrospective delays addressing a current delivery issue. PMI generally prefers solving impediments as soon as they are identified.