如何在Scrum中更改使用故事点进行估计 [英] How to change to use Story Points for estimations in Scrum

问题描述

使用天作为Scrum中任务估计的单位，我发现很难改变为使用故事点。我认为应该使用故事点，因为它们彼此之间更具可比性-较少依赖于解决任务的人员的资格等。但是，要使团队习惯于使用故事点并不容易

Having used "days" as the unit for estimation of tasks in Scrum I find it hard to change to using Story Points. I believe story points should be used as they are more comparable to each other - being less dependent on the qualifications of whoever addresses the task etc. However, it isn't easy to make a team start using Story Points when they're used to estimating in days.

那么，如何使团队更改故事点？是什么应该激励团队成员这样做，以及我们应该如何应用此开关？

So, how to make a team change to Story Points? What should motivate the team members to do so, and how should we apply the switch?

推荐答案

如果要更改为使用故事点而不是持续时间，您只需要开始估计故事点即可。 （我在这里假设您有权为您的团队做出决定。）

If you want to change to using story points instead of duration, you just got to start estimating in story points. (I'm assuming here you have the authority to make that decision for your team.)

选择一个标尺，可以是小，中，大可以是斐波那契数列，可能是1到5，无论选择哪一个并将其用于几次冲刺，这都可以提高您的速度。如果您开始将刻度从一个更改为另一个，则各个刻度之间的速度将无法比较（即不要这样做）。这些估计应该包括您的所有Scrum团队。

Pick a scale, could be small, medium, large could be fibonacci sequence, could be 1 to 5, whatever pick one and use it for several sprints this will give you your velocity. If you start changing the scale from one to the other then velocity between scales is not going to be comparable (ie dont do it). These estimates should involve all your Scrum team.

您已经说过，您仍然需要了解这将花费多少费用。有许多会计师会接受我会告诉您这在6个月内要花费多少的答案。因此，您仍然还需要估算工期，这会给您带来成本。

Having said that you still need an idea of how much this is going to cost you. There arent many accountants who will accept the answer "I'll tell you how much this is going to cost in 6 months". So you still need to estimate the project in duration as well, this will give you the cost. This estimate is probably going to be done by a senior person on the team

然后每个月您的工作速度都会告诉您和会计师，第一个成本估算的准确性如何，您会可以据此适应。

Then every month your velocity will tell you and the accountants how accurate that first cost estimate was and you can adapt accordingly.

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