Planning poker in software project management
Agile Project Management Open-Source and Free Software. Scrum Expert provides Agile knowledge for the ScrumMasters, Product Owners and Agile Software Developers: Backlog, User Stories, Sprint, Retrospectives. Scrum is an agile framework for managing work with an emphasis on software LAUDATO-SI.INFO is designed for teams of three to nine developers who break their work into actions that can be completed within timeboxed iterations, called sprints (30 days or less, most commonly two weeks) and track progress and re-plan in minute stand-up .
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Scrum-IT Scrum-it is a open source digital Scrum Board based on multi-touch and modern web technologies. A product owner converses with different stakeholders, who have a variety of backgrounds, job roles, and objectives. The smallest user story is one story point , and the biggest one is 21 story points. Kanban is a Lean project management approach that encourages a pull approach to project management and the limitation of the work in progress WIP to avoid waste. In this article, Cynthia Kahn provides [ Introducing Agile Methods in Organizations. Whatever agile framework you choose to support your software development, you'll need a way to see your team's progress so you can plan for future work or sprints.
Agile Estimating Tool – Planning Poker using Fibonacci Sequence
The best we can do is size up the chances, calculate the risks involved, estimate our ability to deal with them, and then make our plans with confidence — Henry Ford. This method of agile estimation can use a modified version of the Fibonacci Sequence. The technique was refined by James Grenning in , making it much more usable by agile teams. Using the numbers in the sequence leads to the outcome of calculating story points, that is the size of the user story.
If we had a task, and tried to estimate how large it was numerically, that could be incredibly difficult. We could assign it any size number we like, if we were not comparing how big it is to anything else. Here are the ground rules. The moderator presents one user story at a time to the team and the Product owner answers any questions the team might have about the story.
Usually size represents a value taking into account time, risk, complexity and any other relevant factors. When everybody is ready with an estimate, all cards are presented simultaneously. In most cases, the lowest number will be one. The smallest user story is one story point , and the biggest one is 21 story points.
But how do you know which story is a 3 and which is a 5. In order to do that, we should find a baseline story. It does not have to be the smallest one, but one that all in the team can relate too it could be the one whose size is 21 for example. From then on, all sizing should be done compared to that baseline. If there is consensus on a particular number, then the size is recorded and the team moves to the next story. In the very likely event that the estimates differ, the high and low estimators must defend their estimates to the rest of the team.
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Planning poker , also called Scrum poker , is a consensus-based, gamified technique for estimating, mostly used to estimate effort or relative size of development goals in software development. In planning poker, members of the group make estimates by playing numbered cards face-down to the table, instead of speaking them aloud.
The cards are revealed, and the estimates are then discussed. By hiding the figures in this way, the group can avoid the cognitive bias of anchoring , where the first number spoken aloud sets a precedent for subsequent estimates.
Planning poker is a variation of the Wideband Delphi method. It is most commonly used in agile software development , in particular in Scrum and Extreme Programming. The method was first defined and named by James Grenning in  and later popularized by Mike Cohn in the book Agile Estimating and Planning ,  whose company trade marked the term  and a digital online tool. The reason to use planning poker is to avoid the influence of the other participants.
If a number is spoken, it can sound like a suggestion and influence the other participants' sizing. Planning poker should force people to think independently and propose their numbers simultaneously. This is accomplished by requiring that all participants show their card at the same time.
Planning poker is based on a list of features to be delivered, several copies of a deck of cards and optionally, an egg timer that can be used to limit time spent in discussion of each item. The feature list, often a list of user stories , describes some software that needs to be developed. The cards in the deck have numbers on them.
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