The " Life Timeline " exercise is a technique used to build psychological safety and vulnerability-based trust. According to Mike Griffiths’ PMI-ACP Exam Prep Book (Chapter 3: Team Performance), exercises that encourage sharing personal stories and emotional journeys foster deep interpersonal connection, which is foundational to high-performance teams.
The PMI Agile Practice Guide (Section 4.3.2: Building Trust) emphasizes the role of emotional intelligence and trust-building in agile teams, stating that teams become high-performing when they feel safe to express themselves without fear of judgment.
Option B is correct: the exercise builds vulnerability and trust—key drivers of high performance.
Option A focuses on trust but doesn ' t emphasize vulnerability, which is central here.
Option C is too generic.
Option D misframes the purpose—it’s about building connection, not assessing competencies.
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