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Showing posts from December, 2017

A concrete alternative to estimating story points in Scrum

Estimating is such a pain. I remember when I first read about Scrum and saw that the team was responsible for estimates, not the Scrum Master. I was sold!

But... estimates are controversial. Without estimates many stakeholders are unwilling to fund development efforts. The upside is that the process of discussing the stories in the team helps everyone understand what the feature is about. It's about the conversation, not the number. OTOH, estimates do not produce value for the user, so they are potential waste, and may be used to beat up the team if the estimates are not correct, which is even more counterproductive.

Story points are particularly controversial, because they are vague and fragile. Using real or hypothetical hours has other disadvantages. (What do I do when my customer only wants to pay the hypothetical hours, not reals ones?!)

I believe you can base estimates on something more concrete and measurable: Acceptance tests.

This satisfies the need to estimate larger pro…