tencent cloud-What Is a Story Point?
最编程
2024-07-25 11:39:52
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In traditional IT projects, the project manager often needs to estimate the costs for an upcoming project, including the workload, software and hardware costs. At the end of a project, most teams will find that the cost estimates that took a long time to prepare are often very different from the actual costs when reviewing the project. Traditional software teams usually estimate workload with time. Time is an absolute value that is usually estimated with historical empirical information. Time estimation works for teams with a fixed process and stable requirements. However, these meticulous estimates often restrict teams that are facing changing complexities. Every step of the way, a team has to check back with the original plan: Have we exceeded the estimated time? Are we up against the deadline? Have we achieved the original plan?
A core difference between agile estimation and traditional time estimation is the concept of relative value. Agile estimates are based on story points rather than absolute estimates in days or hours. Story points are a common relative value in agile development. In other words, given two requirements, we can estimate that one is larger than the other by a number of times, but we are unsure of the exact workload of each requirement.