Planning Poker ® is an agile estimating technique which has become very popular in the last few years. It is mainly used by Agile & Scrum developers so the whole team can estimate the effort needed to build software products.
Step-by-step guide
These are the rules to play Planning Poker*:
- Each participant gets a deck of estimation cards representing a sequence of numbers. In Planning Poker for Hangouts we have 4 type of cards: the Fibonacci sequence (1, 2, 3, 5, 8, 13, 21, etc.), Days (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15), T-shirt size (Small - Medium - Large - Xlarge) and a simple Yes/NO card set.
- The moderator presents one user story at a time to the team. This is called a Round.
- The Scrum Master or Product Owner (or an equivalent role) answers any questions the team might have about the story.
- Each participant privately selects a card representing his or her estimate of the “size” for the user 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.
- 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 defend their estimates to the rest of the team.
- The group briefly debates the arguments.
- A new round of estimation is made (steps 4 and 5 above).
- Continue until consensus has been reached and the moderator records the estimate.
- Repeat for each story.
*Planining Poker ® is a registered trademark of Mountain Goat Software, LLC
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