What is Scrum?
A lightweight framework that helps people, teams, and organizations generate value through adaptive solutions for complex problems.
Scrum originators
Ken Schwaber and Jeff Sutherland; first co-presented Scrum publicly at OOPSLA 1995.
Scrum Guide licensing
Creative Commons Attribution-ShareAlike 4.0 (CC BY-SA 4.0).
Core theory
Empiricism (knowledge from experience) and Lean thinking (reduce waste, focus on essentials).
Empirical pillars
Transparency, Inspection, Adaptation.
Scrum values
Commitment, Focus, Openness, Respect, Courage.
Fundamental unit
Scrum Team (one Product Owner, one Scrum Master, and Developers).
Team traits
Cross-functional and self-managing; no sub-teams or hierarchies.
Typical team size
10 or fewer people; reorganize into multiple teams if too large.
Whole-team accountability
Entire Scrum Team is accountable for creating a valuable, useful Product Increment each Sprint.
Developers - key accountabilities
Create the Sprint Backlog plan, ensure quality via Definition of Done, adapt plan daily toward Sprint Goal, and hold each other accountable.
Product Owner -core accountability
Maximize product value resulting from the Scrum Team’s work.
PO - backlog management
Develop and communicate the Product Goal; create, communicate, and order Product Backlog items; ensure backlog transparency.
Product Owner is
One person (not a committee); may delegate work but remains accountable.
Scrum Master - core accountability
Establish Scrum and improve team effectiveness; ensure Scrum events occur, coach, remove impediments.
Scrum events
Sprint (container), Sprint Planning, Daily Scrum, Sprint Review, Sprint Retrospective.
Sprint length
Fixed length of one month or less; a new Sprint starts immediately after the previous ends.
During the Sprint (rules)
No changes that endanger the Sprint Goal; quality does not decrease; backlog refined as needed; scope may be clarified/renegotiated with PO.
Who can cancel a Sprint?
Only the Product Owner, if the Sprint Goal becomes obsolete.
Sprint Planning purpose
Initiates the Sprint and lays out work for the Sprint through collaboration of the full Scrum Team.
Sprint Planning topics
1) Why valuable? (define Sprint Goal) 2) What can be done? 3) How will chosen work get done?
Sprint Planning output
Sprint Backlog = Sprint Goal + selected backlog items + plan for delivering them.
Sprint Planning timebox
Up to 8 hours for a one‑month Sprint (shorter for shorter Sprints).
Daily Scrum purpose
Inspect progress toward the Sprint Goal and adapt the plan for the next day’s work.