What is the primary responsibility of the entire Development Team regarding quality?

The primary responsibility of the entire Development Team regarding quality being a shared responsibility among all team members reflects the core principles of Agile and Scrum. In an Agile framework, especially within Scrum, quality should not be siloed to a specific role or function such as testers or the Product Owner. Instead, it is essential that every member of the Development Team—whether they are developers, designers, or testers—actively participates in maintaining and improving quality throughout the entire development process.

This shared accountability leads to a more holistic approach to quality. It fosters collaboration and encourages team members to communicate openly about quality issues, share knowledge, and support each other in delivering high-quality products. By involving everyone in quality discussions and practices, the team promotes a culture of continuous improvement, reducing defects and increasing the overall excellence of the product increment delivered at the end of each sprint.

In contrast, assigning quality responsibility solely to designated testers, as suggested in one of the alternatives, can lead to bottlenecks and gaps in quality assurance. It may also create misunderstandings among team members about their roles, leading to less collaboration. Similarly, having the Product Owner being the only one accountable for quality can dilute the collaborative nature of the team and undermine the importance of cross-functional teamwork. Relying