A consensus based estimation
technique mainly used in agile environment. It can be used to estimate days or story points for any
requirement.
Equipment needed:
- A deck of cards: Cards in the deck have numbers on them. A typical deck has cards showing the Fibonacci sequence including a zero: 0, 1, 2, 3, 5, 8, 13, 21, 34, 55, and 89.
- Requirement list (which need to be estimated
How to apply:
- A Moderator, who normally doesn’t play, chairs the meeting.
- The Product Owner provides a short overview of the user story. The team is given an opportunity to ask questions and discuss to clarify assumptions and risks.
- Each individual lays a card face down representing his/her estimate instead of speaking them aloud.
- Everyone calls their cards simultaneously by turning them over.
- People with high estimates and low estimates has given the opportunity to justify their estimate and then discussion continues.
- This estimation process is repeated until a consensus is reached for a particular feature and then it is repeated for next requirement item
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