A business analyst (BA) is managing stakeholder collaboration to ensure positive reactions are capitalized upon.

Comprehensive and Detailed Explanation:Conducting interviewsallows the BA toidentify missing or unrecognized stakeholders by discussing roles and responsibilities with existing stakeholders.

BABOK® Guide (Chapter 4.2 - Conduct Stakeholder Analysis)states thatinterviews help uncover stakeholders who might not have been initially identified.

Functional decomposition (Option A)breaks down processes but does not identify stakeholders.

Risk analysis (Option B)assesses risks but does not determine stakeholder involvement.

Lessons learned (Option D)improve future projects but do not resolve current stakeholder identification issues.