Agile emphasizesjust enough detailto start work and adapt through ongoing conversation. According to thePMI Agile Practice Guide (Section 5.2 Requirements and User Stories), stories should beclear enough for estimation and discussion, but not over-specified. The INVEST model (Independent, Negotiable, Valuable, Estimable, Small, Testable) supports this.
Mike Griffiths in thePMI-ACP Exam Prep Book (Chapter 6: Adaptive Planning)reiterates that stories should not contain exhaustive detail up front; rather, they evolve throughcollaborative dialoguewith the product owner.
Option Cis correct because it supports collaboration and adaptive planning.
Option AandBlead to over-specification and undermine agility.
Option Daddresses testing but doesn’t resolve confusion about appropriate story detail.
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