Affinity Estimating
Affinity Estimating is a technique where a large amount of user stories are roughly estimated in a short time. The team sorts the user stories into categories based on their relative size. They can, for instance, be sorted as small, medium, large, or as per T-Shirt sizes (S, M, L). The discussions that emerge during the categorization process bring up different perspectives and lead to a mutual understanding of the stories.
Guide for Affinity Estimating
Affinity Estimating is an important topic for PSM I, not only in the working world but also in exam scenarios.
What is Affinity Estimating?
Affinity Estimating is a technique used in agile project management to create estimates of the time and effort a project will need. It involves breaking down a project into user stories or tasks and grouping these into categories based on their size or difficulty.
Why is it Important?
It is essential because it allows for a more precise approximation of the time and resources that a project will demand. This aids in planning and resource allocation, helping to mitigate risks related to project overruns.
How does Affinity Estimating Work?
In Affinity Estimating, project tasks are written on cards. Team members collectively decide where the card belongs in predefined size categories usually labelled with t-shirt sizes (XS, S, M, L, XL). The discussion that takes place promotes a shared understanding.
Exam Tips: Answering Questions on Affinity Estimating
When facing exam questions on this topic, remember:
1. Understand the basis of Affinity Estimating. It's about relative sizing and collaboration.
2. Make sure you are able to distinguish it from other estimating techniques.
3. In most cases, Affinity Estimating is used for initial rough estimation not for final planning.
4. Recall that Affinity Estimating encourages discussion and consensus among team members.
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