PSD Premium Exam Questions

Detailed Explanation: Refinement is complete when the Scrum Team agrees that the Product Backlog item is clear and precise enough to proceed with planning or implementation.

Detailed Explanation: According to the Scrum Guide, Developers are responsible for all activities required to produce a Done Increment, including testing. While other roles may contribute insights, the team ensures quality through their combined skills.

The scrum guide says: "The Product Owner is accountable for maximizing the value of the product resulting from the work of the Scrum Team." The key here is the value maximizing part. Of course, he also comes up with requirements and acts as a go-between between developers and customers, but that is definitely not the best answer here.

Scrum is not a methodology, because it doesn't fill in the details, it's a framework. Next to that, it is not like traditional project management where time, cost and scope are fixed.