Professional Scrum Master level III (PSM III): PSM-III Exam Premium File as PDF & Test Engine

Technical systems can be decomposed to composite elements, from the large to the small. Basic components may be represented as activities, workflows, functions, features, capabilities, and other similar nomenclature.
How does this system decomposition affect Scrum Teams on scaled projects?

Technical systems are often decomposed into smaller elements such as activities, workflows, functions, features, or components to manage complexity. While decomposition is necessary for understanding and building large systems, it has significant implications forScrum Teams, especially inscaled environments.
1. Risk of Component-Centric Team Structures
When system decomposition drives team structure, organizations often createcomponent or specialist teams aligned to technical layers or functions. In scaled Scrum, this increases:
* Dependencies between teams,
* Coordination overhead,
* Integration risk.
Such structures make it difficult for teams to deliverend-to-end, integrated Incrementseach Sprint, weakening empiricism and delaying feedback.
2. Impact on Value Delivery and Inspection
Scrum relies on frequent inspection ofworking product Increments. If work is decomposed into narrowly defined technical components, individual teams may only deliver partial outputs rather than usable value. This reduces transparency and makes meaningful inspection at the product level harder, especially when multiple teams are involved.
3. Preference for Feature-Oriented Decomposition
Scrum favors decomposing work intovertical, value-oriented slices(features or capabilities) rather than horizontal technical layers. This allows each Scrum Team to be:
* Cross-functional,
* Capable of delivering usable Increments independently,
* Less dependent on other teams.
In scaled projects, feature-oriented decomposition reduces dependencies and improves flow.
4. Effects on Integration and Empiricism
Poor decomposition increases the cost of integration and often leads to late or infrequent integration. Scrum requires that integration happensearly and often, as unintegrated work is not "Done." In scaled Scrum, decomposition choices directly influence whether integration is continuous or deferred, with major implications for risk control.
5. Organizational and Learning Implications
System decomposition also affects learning and adaptability. When teams own complete features rather than isolated components, they gain a better understanding of:
* Customer needs,
* System behavior,
* Trade-offs across the product.
This broader understanding improves decision-making and supports continuous improvement across the system.

Mid-sprint a development team forecasts it will not be able to deliver all the planned backlog items. They are worried andask for your advice as Scrum Master. What will you tell them?

When a Development Team realizes mid-Sprint that it may not be able to deliver all planned Sprint Backlog Items, this situation should be handled throughempiricism, not concern or blame. As a Scrum Master, I would reassure the team and guide them back to Scrum principles.
First, I would remind the team that in Scrum they donot commit to delivering all Sprint Backlog Items.
Instead, the Scrum Team commits todoing their very best to achieve the Sprint Goal. Discovering additional work, complexity, or unknowns during the Sprint is expected, especially in complex product development. The Sprint Backlog is a forecast, not a fixed contract.
Second, I would help the team assess theimpact of what they have discovered. If the newly discovered work is minor and theSprint Goal is still within reach, the team can continue as planned while adapting the Sprint Backlog as needed. This reflects normal inspection and adaptation during the Sprint.
Third, if the impact is significant and threatens the Sprint Goal, the Development Team should have a focused discussion aboutif and how the Sprint Goal can still be met. This may involve changing the approach, reducing scope while preserving the Sprint Goal, or identifying alternative ways to deliver the intended value.
In such cases, theProduct Owner should be involvedin the conversation. Including the Product Owner increases transparency and enables faster value-based decision-making, such as re-negotiating scope or adjusting priorities while keeping the Sprint Goal intact. This collaboration ensures that adaptations are aligned with product value.

During a retrospective, one of the more junior developers confesses he has a hard time getting his opinion heard. Whendiscussing the work to be done, the more experienced developers often don't let him finish his sentences or disregard what hehas to say. What Scrum Values are touched upon here?

The situation described directly touches on several coreScrum Values, which guide behavior and collaboration within Scrum Teams. In particular, the values ofCourage, Respect, and Opennessare most prominently involved.
First, the value ofCourageis demonstrated by the junior developer. Speaking up about feeling unheard, especially in front of more experienced colleagues, requires personal courage. Scrum encourages team members to be brave in raising difficult or uncomfortable issues so that problems can be addressed rather than ignored. Without courage, important impediments to collaboration and effectiveness would remain hidden.
Second, the situation highlights a lack ofRespectin team interactions. Scrum emphasizes that Scrum Team members respect each other as capable, independent individuals. Interrupting a colleague or disregarding their input-regardless of seniority-undermines this value. Respect is essential for effective collaboration and for creating an environment where all team members can contribute fully.
Third, the value ofOpennessis central to this scenario. Scrum Teams are expected to be open about challenges, feedback, and differing perspectives. Openness also means being receptive to ideas from all team members, independent of role, experience level, or background. Disregarding input from a junior developer contradicts Scrum's emphasis on openness and reduces the quality of decision-making.

One of the Scrum events is the Sprint Review. How does the Sprint Review enable empiricism? What would the impact be if some members of the development team were not present?

TheSprint Reviewis a key Scrum Event that directly enablesempiricism, which is the foundation of Scrum.
Empiricism is based on making decisions using what is known, observed, and learned, supported by the pillars oftransparency, inspection, and adaptation. The Sprint Review operationalizes these pillars at the product level.
How the Sprint Review Enables Empiricism
First, the Sprint Review createstransparencyby making the current state of the product visible. During the event, the Scrum Team presents a"Done" Product Incrementthat meets the Definition of Done. Stakeholders can see and often use the actual product rather than relying on reports or assumptions. This shared visibility ensures that discussions are grounded in reality.
Second, the Sprint Review enablesinspection. The Scrum Team and stakeholders jointly inspect the Increment and assess progress toward product goals. The Developers provide context about what was delivered, what was not, and what challenges were encountered. This inspection is focused on outcomes and value, not individual performance.
Third, the Sprint Review supportsadaptation. Based on the inspection and feedback, new insights emerge about customer needs, market conditions, risks, and opportunities. The Product Owner uses this information to adapt the Product Backlog, reordering items, adding new work, or refining existing items. This completes the empirical feedback loop by ensuring future decisions are based on the latest evidence.
Impact of Development Team Members Not Attending the Sprint Review
If some Developers are not present at the Sprint Review, empiricism is weakened.
First,transparency decreases. Developers possess critical, first-hand knowledge about implementation details, technical trade-offs, constraints, and risks. Without their presence, stakeholders receive an incomplete picture of the Increment and its implications.
Second,inspection becomes less effective. Stakeholders may ask questions about behavior, limitations, or quality that only Developers can accurately answer. The absence of Developers limits meaningful dialogue and reduces the quality of inspection.
Third,adaptation suffers. Decisions about what to do next-such as changes to scope, priorities, or technical direction-depend on accurate understanding. Without Developers participating, adaptations to the Product Backlog may be based on assumptions rather than evidence, increasing the risk of poor decisions.
Finally, excluding Developers underminesScrum Values, particularlyRespect and Openness, by treating the Sprint Review as a reporting event rather than a collaborative working session. This can lead to disengagement and reduced shared ownership of product outcomes.