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Agile software development methods recommend the use of Planning Poker for estimating the size of user stories and developing release and iteration plans. [ 1 ] The method was first defined and named by James Grenning in 2002 [ 2 ] and later popularized by Mike Cohn in the book Agile Estimating and Planning , [ 3 ] whose company trade marked ...
The INVEST mnemonic for Agile software development projects was created by Bill Wake [1] as a reminder of the characteristics of a good quality Product Backlog Item (commonly written in user story format, but not required to be) or PBI for short. Such PBIs may be used in a Scrum backlog, Kanban board or XP project.
He is the author of Agile Estimating and Planning, User Stories Applied for Agile Software Development and Succeeding with Agile: Software Development using Scrum, as well as books on Java and C++ programming. [7] Cohn was a keynote speaker on ADAPTing to Agile for Continued Success at the Agile 2010 Presented by the Agile Alliance. [8]
Sort by Value: Business sorts the user stories by Business Value. Sort by Risk: Development sorts the stories by risk. Set Velocity: Development determines at what speed they can perform. Choose scope: The user stories that will be finished in the next release will be picked. Based on the user stories the release date is determined.
The User Stories are then added to the board and the team completes them, working on as few User Stories at a time as practical (work-in-progress, or WIP). To keep iterations short, WIP limits are used, and a planning trigger is set to know when to plan next - when WIP falls below a predetermined level.
Size-based estimation models [15] Formal estimation model Function Point Analysis, [16] Use Case Analysis, Use Case Points, SSU (Software Size Unit), Story points-based estimation in Agile software development, Object Points: Group estimation Expert estimation Planning poker, Wideband delphi: Mechanical combination Combination-based estimation
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In software development and product management, a user story is an informal, natural language description of features of a software system. They are written from the perspective of an end user or user of a system, and may be recorded on index cards, Post-it notes, or digitally in specific management software. [1]