Scrum rules and timeboxes

Sprint

The core container for all other events; a fixed-length iteration (1–4 weeks) during which the team builds a potentially releasable product increment.

Sprint Planning

The meeting that kicks off each Sprint where the Scrum Team decides what to work on and how, with a maximum time allocation of 8 hours for a 4-week Sprint.

Daily Scrum

A 15-minute daily sync for Developers to inspect progress toward the Sprint Goal and adjust the plan for the next 24 hours.

Sprint Review

Held at the end of the Sprint where the Scrum Team and stakeholders inspect the increment and discuss the completed and incomplete work.

Sprint Retrospective

The final event of the Sprint focused on what went well, what didn't, and what improvements to commit to for the next Sprint.

Backlog Refinement

An ongoing process where the Scrum Team reviews and revises the Product Backlog items to keep it up-to-date and prioritized.

What is a Sprint in Scrum?

A fixed-length iteration (1–4 weeks) during which a potentially releasable product increment is built.

What is the purpose of Sprint Planning?

To decide what to work on and how for the upcoming Sprint.

How long is the Daily Scrum?

15 minutes, regardless of Sprint duration.

Describe the Sprint Review.

A meeting at the end of the Sprint where the Scrum Team and stakeholders review the increment and adapt the Product Backlog if necessary.

What is the focus of the Sprint Retrospective?

The team itself, analyzing what went well, what didn't, and planning for improvements.

What does Backlog Refinement include?

Reviewing and revising Product Backlog items to ensure they are up-to-date and prioritized.

What is the maximum duration for Sprint Planning in a 4-week Sprint?

8 hours.

Can the length of a Sprint change once it starts?

No, the length of a Sprint is fixed once it begins.

Who participates in the Daily Scrum?

Only the Developers, not the whole Scrum Team.

What happens during the Sprint Review?

Inspection of the increment and discussion of completed and incompleted work.

What is the aim of the Sprint Retrospective?

To commit to concrete improvements for the next Sprint.

What is an ongoing process of reviewing and updating the Product Backlog called?

Backlog Refinement.

What do teams ensure during Backlog Refinement?

The backlog is up-to-date and prioritized.

What is the purpose of a 15-minute Daily Scrum?

To synchronize and inspect progress toward the Sprint Goal.

How often does Backlog Refinement occur?

It is an ongoing process.