Exam PSPO-I Topic 2 Question 83 Discussion

Explanation
The Scrum Team member who is accountable for creating a valuable and usable Increment each Sprint is the Developers. This is because:
* The Developers are accountable for creating a "Done" Increment in every Sprint. They must ensure that every Product Backlog item they work on meets the Definition of Done before it is considered complete.
* The Definition of Done is a formal description of the state of the Increment when it meets the quality
* measures required for the product. It is a shared understanding among the Scrum Team and the stakeholders of what "Done" means for any Product Backlog item that is selected for a Sprint.
* The Increment is a concrete and usable outcome of the Sprint that provides a measure of progress and value delivery. It must be in useable condition regardless of whether it will be released or not.
* The Developers are self-managing professionals who organize and manage their own work. They decide how to best accomplish their work, rather than being directed by others outside the Scrum Team.
Other options, such as the CEO, the Product Owner, the Scrum Master, or the Scrum Team, are not accountable for creating a valuable and usable Increment each Sprint. They may have different roles and accountabilities in Scrum, but they do not do the actual work of creating a "Done" Increment.
References:
* [Scrum Guide], page 7, section "Developers"
* [Scrum Guide], page 10, section "Definition of Done"
* [Scrum Guide], page 10, section "Increment"
* [Scrum Guide], page 7, section "The Scrum Team"