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Questions tagged [story-points]

For questions about applying or interpreting relative measures of work-effort, known as "story points," to user stories or project milestones.

20
votes
7answers
4k views

Why use both story points and hours?

I'm a new scrum master for a team that is using story point estimation and hours. We do story points first during grooming and then hours during planning. I always thought of story points as being ...
9
votes
6answers
470 views

Is it okay to have a sprint where the team commits to zero story points?

Our two Scrum development teams are located in India. Our shared product owner is permanently relocating to the US, and we're just about to finish our first sprint. Him and the team suggested ...
2
votes
2answers
165 views

Should story points be estimated according to team or assignee's abilities?

Say you have a team of 4. 1 junior, 2 mid-level and 1 senior. The senior engineer can get the story completed quickly (say 1 point). For the junior, the work is more complicated; he/she doesn't ...
10
votes
3answers
575 views

How to use Story Points, if User Stories are completely different?

Story Points (SP) is a good measurement, that allows estimating User Stories. SP (in my understanding, it's an important note) is convenient because it is relative and not related with time. All ...
7
votes
2answers
3k views

What is a good total size for a Product Backlog?

General I realize the size of a product backlog will vary with each project. But assuming a project that is large enough to require a significant length time, is there any research or statistics on ...
1
vote
1answer
86 views

How to estimate effort when the story involves a large number of repeat processes?

In our organization we occasionally have stories that involve a very large number of repeated process. The process itself is very simple and straightforward and usually we give 2~3 points. When the ...
0
votes
4answers
142 views

Should story points be strictly relative? [duplicate]

If we size our stories along the Fibonacci scale (1, 2, 3, 5, 8, 13) should we expect that we could complete approximately four 2-point stories in the same time as an 8-point? or thirteen 1-point ...
2
votes
2answers
732 views

Assigning Story Points to issues that aren't stories

In my organization, we do not assign story points to bugs. Some members of my team argue that bugs should slow our Sprint velocity, in order to create an incentive to avoid technical debt and to ...
5
votes
1answer
286 views

Scrum uneven distribution of work hidden in a unified effort

I'm currently a developer at a small software development firm, and we are starting to adopt Agile (specifically, Scrum) philosophies into our culture and project management style. We have only a few ...
3
votes
4answers
1k views

What can we do with a “mispointed” story in Scrum?

Is it OK to repoint the story at the beginning of the new sprint to reflect the size that we have now discovered it to be so our velocity is more accurate? On rare occasions, our team will work a ...
6
votes
4answers
201 views

Dealing with stories/functionality that will spread across the entire lifetime of the project

I'm trying to determine how I would deal with a story/epic that appears to potentially spread across every sprint. As a user I wish to have see help information against data inputs so that I can ...
6
votes
1answer
232 views

Aligning story points' value

We've ended up with non-linear weighing of our points. I worry this makes reporting velocity data erroneous. Background: A fairly traditional deck is used: ?, 0, ½, 1, 2, 3, 5, 8, 13, 20, 40, 100, ...
9
votes
2answers
1k views

Is there any published research about story points vs time estimation?

We're getting started with Scrum and have had a few debates about whether we should estimate in story points or ideal hours. The team is pretty divided, so I'd like to know if any real studies have ...
4
votes
4answers
4k views

How to factor in story points/tasks for non sprint related items?

I understand that in general you create stories with story point complexity, and then define tasks and subtasks in which to mark time against, but how does this translate into items that are outside ...
6
votes
3answers
625 views

When to add tasks to stories and how to estimate tasks?

In our agile team we frequently encounter the issue where the Scrum Master points out that all of our stories should be fully tasked and estimated prior to an iteration and once these tasks have been ...
4
votes
2answers
2k views

Is it a good Scrum practice to use large story-point numbers for effort estimation?

Is it generally a good practice to have large story-points for user stories in a sprint? We are following a modified Fibonacci series of 1, 2, 3, 5, 8, 13, 20, 40, 100. We estimate the effort ...
27
votes
2answers
45k views

Why do Scrum user stories only use the Fibonacci series?

I know that user stories in Scrum are measured with a Modified Fibonacci sequence (0.5, 1, 2, 3, 5, 8, 13, 20, 40...). Why does Scrum only use Fibonacci numbers to estimate stories?
4
votes
5answers
262 views

Can story points remain constant between the initial estimate and later planning sessions?

Background We have a bunch of epic stories. We have a fixed term to do the project. We have to get approval from a project board. We don't know the velocity of the project team yet. The project ...
1
vote
4answers
2k views

How can we transition to Agile estimation based on complexity or effort of user stories?

We have being practicing agile development methodologies for a long time as a development company. Most of the time our product owners tries to have a map between story points and time. As a example, ...
4
votes
4answers
2k views

Story Points to Ideal Days

History I work within a IT Team for my business that delivers (Develops & Unit Tests, QA, UAT and Releases) either system improvements or new systems to different areas of our business. The team ...
1
vote
5answers
1k views

First sprint: Epics chosen instead of stories - should I re-estimate and when?

I am trying out Scrum on a small, one-person project. During my first sprint, I realized that all of the stories I've chosen are really epics and should be broken down into much smaller pieces. The ...
5
votes
4answers
878 views

How does a team (new to product and domain) estimate user stories of a ten year old product?

I am the scrum master for one of the products in a software development company. Our team, including me, operates from India. However my product owner is in USA. We are working on the feature ...
15
votes
7answers
11k views

How can developers and testers agree on story point estimates?

Previously we used duration for each story, but in our current sprint we are using story points (effort) keeping test team effort separate from the development team effort. Story points are based on ...
17
votes
4answers
8k views

In Scrum, how to estimate research stories?

In our Scrum team, when there is uncertainty about a story or the team is not sure about how to implement it, we take up a research story first. Based on the findings of this research story, we are ...
11
votes
3answers
2k views

Can we have zero point stories?

Our Agile/Scrum team follows the Fibonacci sequence for story point estimation. However, it is not clear whether we should have any zero point stories at all. Even though a story may have minimal ...
18
votes
5answers
4k views

How should a team handle disagreements about story-point estimates in Scrum?

During estimation, the Product Owner presents a user story that seems clear to a team that usually knows their strengths and weaknesses, and that is not hostile. What should the Scrum Master do if the ...
6
votes
3answers
2k views

Changing backlog story point estimates mid way through a release

Background: We are mid-way through a development which was estimated for a customer on a fixed price contract. To come up with the estimate we built a backlog by trying to list all user stories and ...
7
votes
2answers
1k views

How can I effectively track story points with Trello?

I'm exploring Trello as a Kanban tool, and am hung up on how to track story points with it. This isn't something that Trello natively supports, so I've been re-purposing labels to carry this ...
77
votes
9answers
75k views

Why would teams use the Fibonacci sequence for story points?

Why do some teams use numbers from the Fibonacci sequence as story points? Is it just a preference, or is there something more to it?
142
votes
18answers
86k views

Why use story points instead of hours for estimating?

After using hours to estimate our projects for a long time and rarely coming within 20% of actual "work-to-ship," I have been told by a handful of people that "points" work a lot better at gauging the ...