Past Meetup

What is this estimation thing? Why "no estimation" is not as crazy as it sounds.

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Presenter: Michael Godeck, Pfizer

As important as estimation is to setting customer/stakeholder expectations and ultimately to paying the bills, there is surprisingly little discussion about what makes for a sound estimation strategy.

There’s an assumption that estimation is something that good developers should be good at, with the unspoken the corollary that failure to meet estimates is somehow the mark of an amateur. Once burned, developers push back that they lack specification. Backlog refinement meetings are scheduled. Time is set aside for technical planning, with expectations set, but often the cycle is repeated, leading to the question, what is this estimation thing?

In this session we'll lay some groundwork with a review of different approaches, including direct estimation, indirect estimation and no estimation strategies, and develop the thinking behind the different approaches.

1. What are the preconditions for a traditional time against task, or Direct estimation strategy, to work.

2. How about Indirect estimation strategies, such as Planning poker, Story points, Fibonacci spreads or the Cherry-pit Mustang thing; when and why do they work, and when do the fail?

3. "No estimation" may sound like a crazy “that’s never going to fly around here” thing, but you may be surprised to find that in the right circumstances, applying a statistical analysis of actual performance can yield a fairly reliable guide for setting expectations, with the bonus of improved efficiency. At least you should know what it really means and roughly what it would take to get there.

Finally we’ll review the practice of estimation calibration, which can help people improve their sense of size, useful when applied to any estimation strategy.

We hope to leave you with a better understanding of the various approaches to estimation, and to understand what they’re trying to achieve, to give you greater confidence in the choices you make in this critical area of software development.

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Doors open at 6, presentation starts at 6:30.
Free parking is available at the building.
Refreshments sponsored by Amazee Labs