Page:The Scrum Guide (2020, English).pdf/8

 * Helping find techniques for effective Product Goal definition and Product Backlog management;
 * Helping the Scrum Team understand the need for clear and concise Product Backlog items;
 * Helping establish empirical product planning for a complex environment; and,
 * Facilitating stakeholder collaboration as requested or needed.

The Scrum Master serves the organization in several ways, including:


 * Leading, training, and coaching the organization in its Scrum adoption;
 * Planning and advising Scrum implementations within the organization;
 * Helping employees and stakeholders understand and enact an empirical approach for complex work; and,
 * Removing barriers between stakeholders and Scrum Teams.

The Sprint is a container for all other events. Each event in Scrum is a formal opportunity to inspect and adapt Scrum artifacts. These events are specifically designed to enable the transparency required. Failure to operate any events as prescribed results in lost opportunities to inspect and adapt. Events are used in Scrum to create regularity and to minimize the need for meetings not defined in Scrum. Optimally, all events are held at the same time and place to reduce complexity.

Sprints are the heartbeat of Scrum, where ideas are turned into value.

They are fixed length events of one month or less to create consistency. A new Sprint starts immediately after the conclusion of the previous Sprint.

All the work necessary to achieve the Product Goal, including Sprint Planning, Daily Scrums, Sprint Review, and Sprint Retrospective, happen within Sprints.

During the Sprint:


 * No changes are made that would endanger the Sprint Goal;
 * Quality does not decrease;
 * The Product Backlog is refined as needed; and,
 * Scope may be clarified and renegotiated with the Product Owner as more is learned.

Sprints enable predictability by ensuring inspection and adaptation of progress toward a Product Goal at least every calendar month. When a Sprint's horizon is too long the Sprint Goal may become invalid, complexity may rise, and risk may increase. Shorter Sprints can be employed to generate more learning 7