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.

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6
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5answers
6k 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 ...
17
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6answers
14k 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 ...
2
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3answers
10k views

JIRA - Story Points & Time Tracking

I've read various questions and answers and I'm really struggling to setup up a Project/Sprint/Story/SubTask to get what we think we need. In terms of long term planning I've sold my team on the idea ...
13
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4answers
2k views

How can story points be “non linear” in relative size

I've read in several places that story points are not necessarily linear. i.e., an "8 point" task is not the same as two 4 point tasks and so on. I totally get the argument about these being an ...
0
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3answers
79 views

How to calculate Schedule Variance in Scrum with story points?

I am trying to find a way to calculate the schedule variance for the scrum. I was trying to found a similar question here on StackExchange, but Yet I didn't found any. So I have posted it here. Below ...
93
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11answers
87k 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?
7
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5answers
2k views

How to manage story points when several developers work on 1 story?

My team consists of 2 backend devs, 1 front end dev and designer. Lets pretend we have next user story: As a user I want to sign-in/sign-out to use the system Designer says that it is equal to 2 ...
2
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3answers
92 views

How do you estimate a task/story for an analyst in SCRUM?

Do you estimate tasks for analysts? These tasks may include, for example, work with business requirements, producing documents that help the development team, sometimes write user stories descriptions....
157
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19answers
91k 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 ...
0
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3answers
92 views

When estimating with story points should developers and QA provide their estimate based on their individual idea of complexity?

The question was as follows (and from the QA member of the team): Should I think about how complex it is from a QA AND a developer's perspective? Or just from a QA's perspective? Since story points ...
0
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2answers
108 views

Slowing down of an agile team as the development progresses

Let's consider an agile software project. In the beginning of a project each Story can be implemented quite quickly because the code base is small, there're few dependecies between different parts ...
7
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2answers
325 views

Any research of the accuracy of Story Points?

One of the main questions about Story Points is what is their accuracy. Has any research or survey been performed to analyse their precision? For example what is the accuracy of the completion date ...
5
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5answers
3k views

Definition of a Story Point [closed]

As far as I'm aware there's no definition of Story Points and how to compare them. Each person in a team may have his personal understanding of the correlation between an effort and Story Points. Isn'...
15
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3answers
781 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 ...
0
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2answers
103 views

Story points estimation vs completing a Sprint

Estimation that is based on Story points is pretty unreliable, but still the Scrum team should complete a Sprint backlog on time - isn't it a flaw in the Scrum process?
1
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4answers
2k views

How do you measure time units in sprint velocity?

I am trying to get my head around "Story points" using the Scrum methodology. As a starting point, I have been following the following article: http://scrummethodology.com/scrum-effort-estimation-and-...
5
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2answers
118 views

Velocity calculation based on number of user stories completed in a sprint

In one of the projects, the velocity calculation is done based on the number of user stories that the team is delivering in each sprint. They are using story points to size but still the velocity is ...
17
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4answers
3k views

Should velocity increase with time?

Some scrum masters are concerned with "bumping up" a team's velocity during a sprint, as if a higher velocity is better. But points are a relative measure of the work that a team needs to do for ...
2
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6answers
402 views

What approach of story points suit our team

We are distributed development team in three locations. In each location we have between 2 to 5 developers. We conduct daily standup via Skype. However, we have not been using story points. We just ...
14
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5answers
5k views

Should a burndown chart be based on stories or tasks completed?

TL;DR; As the title reads: do you base your burndown chart on stories completed, or on tasks completed? Some background on why I'm asking this: I currently work in a software development team of 4 ...
5
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6answers
3k views

Is it better to deliver many low-value stories or few high-value stories?

I'm unfamiliar with Agile/Scrum (not sure which is the right term here), and I have what seems like a very basic question, but I can't seem to find an answer online. Here is an exaggerated ...
1
vote
1answer
165 views

How can we persuade team members to estimate in story points instead of hours?

We use story points to estimate our user stories. We find that story points solve the problem of underestimating the amount of actual work which is required to complete a task, as it takes the ...
1
vote
4answers
105 views

Story acceptance vs. ability to have potentially deliverable SW ready at sprint end

for some time now the team, product owner and me (SM) have been busy with one task: the story acceptance and the ability to get potentially deliverable SW at the end of a sprint. What sounds simple ...
2
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2answers
46 views

When choosing the largest and smallest stories in a backlog for estimation how does it impact each sprint?

An article I came across suggested that we should pick the largest and smallest story in the prioritised backlog and relatively estimate the remaining stories. This makes sense. However, I was ...
12
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3answers
2k 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 ...
6
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3answers
2k views

How can you estimate a spike story?

We are working on a technology of which the team is not sure how would it go.I would like to estimate and timebox this story.However,the scrum team has to goal or a shippable product at the end of ...
6
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2answers
2k views

What metrics can we generate from t-shirt sizes (rather than story points) when estimating user stories?

If I am using T-shirt sizing for my user story estimates, what metrics I can measure and report? We currently use a Sprint burn-down chart when using story points.
1
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1answer
130 views

SCRUM - Sizing in sprint. Do I need to use story points in a sprint if the duration of the project phase itself is only 3-4 months?

In my current company, DSDM is being practiced. For a new project that we are starting, there are no backlogs yet and it is decided we will be executing the project in sprints. The duration of the ...
3
votes
2answers
388 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 ...
4
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4answers
995 views

Story Points flaw?

Forgive me f this has been asked before, I read some similar questions (linked below), but didn't find the answer I was looking for. Our team is fairly new to them and trying to figure out how to ...
20
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6answers
4k views

In scrum should incomplete stories be re-estimated or does the original estimate get burned down when it's finally completed?

If I have a story that's been estimated at 10 story points and we don't manage to complete it in a sprint how do you handle estimates for the sprint in which it's next included (assuming it gets ...
4
votes
1answer
167 views

Carrying items over from one sprint to the next

Question: Carrying items over from one sprint to the next Answer: Yes Scenario: I am a new scrum master on a team and we have just completed our first sprint. I was not here when the team planned ...
4
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1answer
82 views

How to treat users stories which were almost completed at the previous sprint? [duplicate]

How to treat users stories which were almost completed at previous sprint but didn't meet Definition of Done due to testers were late for some reason. Suppose one of those stories was 5 story points, ...
9
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6answers
650 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 ...
7
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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 ...
27
votes
7answers
6k 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 ...
13
votes
4answers
8k views

When does a Scrum Team assign story points to the stories in the Scrum methodology?

I am in the process of learning Scrum. I got stuck with a question: on which stage does the Scrum Team assign story points to the user stories?
3
votes
3answers
92 views

How can I measure the effective team work per iteration?

I have a team of 4 developers and 1 QA. My workflow in Jira is: Backlog -> Analysis -> In Development -> QA Ready -> QA Complete -> Done Every sprint (1 week) all issues get into QA Ready stage (QA ...
15
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3answers
3k 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 ...
2
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4answers
2k views

Should I estimate repeating tasks (besides Stories and Bugs)?

Besides User Stories and Bugs (no estimation) we have some repeating Tasks in our sprint, which have not much insecurity and a clear scope. For example such a task is "releasing our plugin" (building, ...
4
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1answer
514 views

Hot swapping stories

Is it acceptable to swap out stories from the current sprint to the backlog and replace them with stories of the same estimate size from the backlog, because of changing priorities in the business? ...
5
votes
4answers
934 views

How to break down an 8 point story into smaller stories in Scrum?

My team and I are struggling with breaking down a user story that we have estimated to be 8 points. The user story is : "A user can sign up to the app using a registration form so that he is ...
4
votes
4answers
659 views

Best measurable units for non cross-functional team estimation

I have a new development team and I want to use Story Points for high-level estimation. But I have two problems: My new team is not cross-functional (we are trying to solve this, but this is a slow ...
2
votes
2answers
84 views

When working closely with sales, does storypoints still make sense vs time estimations

The main idea behind using story points is to take away focus on the absolute time/cost of a task and look at the relative sizing vs the other tasks you have in front of you. This has worked well in ...
5
votes
1answer
283 views

Using the Stacey matrix to capture agile metrics

I recently encountered the Stacey matrix in an answer by Stephan Weinhold. After looking at the linked image provided & doing a bit more reading that describes it as a way to characterize ...
2
votes
1answer
170 views

If SAFe must be continuously calibrated and measured in ideal days, why does the framework say recalibration is unnecessary?

TL;DR SAFe says you don't need to recalibrate estimation, but requires estimates and other metrics to be normalized across one or more Agile Release Trains. Context, question rationale, and the ...
0
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3answers
82 views

How handle the change in baseline story

We follow Agile Scrum. We had identified a baseline story for story point estimation and used it for many sprints. We had a velocity calculated. After sometime, the team found that the baseline is not ...
8
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1answer
2k views

What are “Consumed Story Points” in Trello?

Some Scrum add-ons allow you to enter both estimated story points and consumed story points. What are consumed story points and how do you measure/estimate them?
4
votes
6answers
2k views

Alternatives to estimating in hours/story points

We are looking to change our approach on estimates. Now we estimate in hours/days, but we would like to change this and make our process more flexible. We are working based on Scrum, where stories are ...