Who is responsible for ensuring all Development Team members perform their tasks during a Sprint?

The Development Team is indeed responsible for ensuring that all team members perform their tasks during a Sprint. In the Scrum framework, the Development Team is a self-organizing and cross-functional group, which means they have the autonomy and accountability to manage their work collectively. This responsibility fosters ownership and encourages collaboration among team members to deliver the Sprint goals effectively.

Each member of the Development Team contributes to the work and supports each other in achieving the objectives outlined in the Sprint Backlog. They decide how to best organize their tasks, manage their time, and coordinate their efforts, all while adhering to the principles of transparency, inspection, and adaptation. This level of accountability enhances teamwork and helps maintain a high standard of quality in their deliverables.

While other roles like the Scrum Master and Product Owner have their distinct responsibilities—such as facilitating Scrum events and refining the Product Backlog respectively—the ultimate accountability for the work execution lies with the Development Team, emphasizing their crucial role in the Scrum process.