When to explore this

Start with uncertainty, feedback and the cost of changing completed work.

Scrum supports repeated delivery and feedback when complex work requires adaptation. Consider whether the team can deliver usable increments and act on stakeholder feedback. Read the official guide for the framework’s definition; the related tools below support broader project decisions and are not prescribed Scrum practices.

Origin & attribution

Ken Schwaber and Jeff Sutherland; The Scrum Guide.

Official Scrum Guide ↗

Source version and review status

November 2020 Scrum Guide. Source page checked 2026-09-27.

Publication or author details are given above. Treatment: source pointer and original orientation. No third-party reproduction permission is asserted.

Using this reference

This page identifies the approach for further reading. Names and marks identify their respective owners; no affiliation, endorsement or permission to reproduce their materials is implied.

Learn and apply

Explore delivery: guides, calculations and sources