Questions tagged [estimation]

For questions about the estimation of the project's parameters, such as time or cost.

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Object point estimation

There are some things I don't understand about this method Screens Does "source of data table" mean database tables, files, or anything from where the information displayed on the screen is ...
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0answers
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Are object point estimation and cocomo 2 application composition model deprecated nowaday?

I have to estimate the effort required for a project and I have no historical data. In college I learned these methods, but I have the feeling that they have been replaced by new approaches such as ...
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6answers
2k views

Giving high level estimates to client without commiting to numbers

I'm working as project delivery manager of a Software Development Company. Often before project initiations, a long time and loyal customer contact me directly to request 'estimate' for some works ...
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6answers
101 views

How to handle requirements with an unclear scope containing words «all», «everywhere», etc.?

Let's say, customer or product owner creates a task that looks like this: Change localization Old term to New term in all places in the app for language X. And development team needs to provide an ...
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2answers
102 views

Is it difficult or time-wasting for developers to adjust page design based on component design changes?

I have been curious about that how much effort developers have to make to adjust components to accommodate changes in UI design. Sometimes I think a design from UX is good and there's no problem for ...
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2answers
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When T-Shirt sizing Epics, should the size be based on 1 person's capacity or the teams capacity?

My company wants the team to estimate (via t-shirt sizes) Features/Epics. When we attempt to do this, I often get asked "is this estimate based on 1 person or the entire team working on the ...
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8answers
2k views

Developers don't like to estimate. What can I do to improve the process?

I have two kinds of projects: Agile where estimates made with story points using planning poker http://www.planitpoker.com/ Waterfall/Kanban where estimates made on hours/days divided to specialty. ...
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2answers
241 views

Total cost increases every week,

I am using the MS project,i have noticed that the total cost column of the project increases every time i enter actual work. i am not sure why is that! could it be because some of the ressources are ...
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3answers
52 views

How to approach this: Percentage change in one KPI leading to change in other KPIs?

I want to know how can I approach or model this problem. I have 7 KPIs (3 of them dependent on each other) and one main KPI (total 8 KPIs). I want to understand effect of these 7 KPIs on the main KPIs....
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6answers
211 views

How should I deal with common dependencies when estimating stories in Scrum?

There's something that has always bothered me with Scrum. Hopefully I can get some insight here. With Scrum, we try to break the backlog down in vertical slices. Let's say stories A and B. These ...
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3answers
74 views

How to estimate a story point, that involves Mobile team and backend team

I am Managing a mobile app product. it contains backend team, design team, and flutter (mobile) team. User stories are usually consisting of subtasks, that involves both, backend, design and mobile ...
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3answers
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Should we re-estime (reduce) story points of a task that we started but didn't finish last sprint? [duplicate]

I need an advice and it's about the best option to choose in an agile project, here is the situation : A sprint backlog contains between 15 and 20 user stories A the last day of the sprint, we ...
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4answers
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Calculating project forecasts in Jira

As a Scrum Master, I want to help my Product Owner to make an educated guess of when features in a project will be implemented, in order to communicate with stakeholders so that they can manage Scope. ...
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2answers
149 views

Estimating Tasks which have been split from a User Story

Let's say we have a good User Story with Acceptance Criteria and Definition of Done. But the Story is too big and needs to be split into tasks. The team only uses hours for estimating the backlog ...
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2answers
167 views

What if My Client Won't Accept My Estimation?

I am working for a service-based company. We are working on one big project under which we have multiple subprojects. We have been working on that project for seven years and it is ongoing. My client ...
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2answers
226 views

How much do you pad estimates by in software engineering?

We like to underpromise and overdeliver. If we don't pad, we become very late. I have heard some PM's especially on 1.0 projects that are much more difficult to predict will multiply the estimate by ...
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1answer
220 views

Minimum number of items in the Product Backlog for an Affinity estimate

I found this question in an exam and I'm puzzled: Affinity estimate is a technique used for arriving at a high level estimate quickly. What should be the minimum number of items in the Product ...
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3answers
71 views

Launching average mobile app on-time vs delayed launch with high-quality app

Apologies if this is the wrong exchange forum, it felt most appropriate to ask this here. TL;DR What are the pros/cons of a (mobile) app (in the social media space) being launched on-time with an ...
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3answers
2k views

How to allocate story points on extremely complex user stories?

We currently allocated story points the following way: 0.5 very simple (approx 0-30 mins) 1 simple (approx half a day) 2 Medium difficulty (couple of days) 3 Hard (3 days) This works well for us, ...
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6answers
578 views

How should you do long term releases with Kanban?

With Scrum you can try to plan longer releases using team velocity. If the team velocity is 100 Story Points (SP)/Sprint and the Product Backlog has 1000 SP then you can say you can finish in 10 ...
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4answers
3k views

Artificial decomposition in Scrum

Scrum Guide says: Product Backlog items that can be Done by the Scrum Team within one Sprint are deemed ready for selection in a Sprint Planning event. They usually acquire this degree of ...
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7answers
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Who consumes estimates?

Consider a company that: works on an own product(not a contractor), the product has already been released(but is expected to need years of further active development), the product is a consumer app(...
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4answers
173 views

What role should story points play in sprint planning?

I am the scrum master of a team that estimates its user stories using story points. The development team consists of backend and frontend developers. Currently, what I am doing during every sprint ...
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5answers
144 views

How do you estimate the benefit of adding a software feature?

My previous estimates have generally been carried out by making a guess at what % increase a feature will have on conversion rates, or sales etc. However it's not scientific / evidence-based at all. ...
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8answers
6k views

Developer keeps underestimating tasks time

This is one of my first projects in charge, and I am leading a team of 2 dev, a senior and a mid-level one. The mid-level developer is underestimating his time on most tasks. He is telling me that ...
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9answers
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At whose expense is the stage of preparing a contract performed?

Let's suppose a customer needs a software product and comes to a software development vendor. The customer describes the product and maybe even provides business requirements documentation (BRD). Then ...
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2answers
294 views

How to estimate sprint velocity when there is a change in story points in scrum

Initially, the Product Backlog contained 350 story points of PBIs. After completing 7 sprints of development, the Product Backlog contains 140 story points of PBIs . The average velocity is 30 per ...
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2answers
145 views

Planning Poker Reluctance

I am joining a new team that has been struggling with sizing for years. They have not been making sprints. They have been setting their own Story Points, and historically they have correlated them to ...
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4answers
3k views

Does the scrum master also estimate user stories?

We recently started working with scrum on an new (large) project. I am a developer but do not take part in that project other than my role as scrum master. I know about the software they use, but don'...
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3answers
506 views

Has anyone actually tried "The Bermuda plan" and if so, how did it go?

The Wikipedia page on Brook's Law includes the following sentence: The Bermuda plan, where most developers on a project are removed ("sent to Bermuda") and the remaining are left to ...
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1answer
111 views

How to estimate amount of work/man hours for an unfamiliar task? This project is fixed bid project from customer

How to estimate amount of work/man hours for an unfamiliar task? This project is fixed bid project from customer. And most of our project is fixed bid project, for the past 3 - 4 project we are ...
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4answers
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 have goal or a shippable product at the ...
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3answers
315 views

Task estimation and probable risks

Let's suppose we are estimating a task (not by the planning poker). We have discovered that there are a few possible problems (risks): Risk 1 - with the probability p1, ..., risk N - with the ...
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4answers
2k views

Agile/scrum - tracking time spent in current iteration towards stories from the next iteration if all current stories are done

Our team has been slowly trying to go towards agile, and like many other teams, up to this point, the question of "what do we do when we actually finish all commitments?" is fairly new and foreign to ...
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1answer
1k views

Agile. Release planning. Why do I need stories instead of themes/epics

I'm reading Mike Cohn's book about Agile estimation. At the same time I have a release planning in couple of days. It's going to be 6 months (12 sprints release). We have the ideas about what needs ...
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1answer
2k views

How do you estimate epics?

Let's say we have a brand new project and we want to raughly come up with a bunch of releases and its dates to give the business a vague idea of when we will finish. Obviously we have all our user ...
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7answers
1k views

In scrum, how do you track/estimate points when multiple tickets overlap their work?

I've never been fully able to answer this question, and from a lot of searching I haven't been able to get the right keywords to find anyone who's asked this question in the way I mean it. Say that ...
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1answer
139 views

How to better use Story Points in our teams?

I have several development teams that moved from hours to Story points 6 months ago. Since then, we have experienced several issues with using Story Points, and I hope you can help me and us: When ...
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6answers
16k 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 ...
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7answers
10k views

Should there be testing-only user stories?

We estimate stories as 1, 2, 4, 6, or 8 points. Consider a story with less development work but huge testing effort. Let's say we estimate that story as 8 points. We see the following options: Let ...
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7answers
1k views

How reliable is velocity?

I'd actually like to devide the question in the title in two related sub questions: In your experience, how reliable is the velocity in letting the product owners forecast the delivery date of a ...
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5answers
3k views

when a software project is behind schedule should we add manpower?

When an essential software project is behind schedule we might naturally add manpower. The new developer, however competent and however quickly recruited, needs additional training from an ...
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7answers
3k views

Estimating when my project will be done

Suppose my project has 150 story points of work remaining to be done. Over the last 10 iterations the team has achieved the following velocities of 16, 12, 13, 5, 14, 7, 6, 12, 16, and 14. Assume two-...
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5answers
801 views

We have a velocity of zero

I am a Scrum Master for a small development team of 7 developers and 3 testers with 2 week sprints. The product we are working on is large with a lot of modules. The breakdown of the modules is ...
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10answers
40k views

How to estimate amount of work/man hours for an unfamiliar task?

Sooner or later we come across a task in our project, with which we are totally unfamiliar ('we' as in PM, but also possibly the staff assigned to do this particular task). How can we estimate ...
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5answers
4k 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 ...
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2answers
2k views

How to Calculate Effort Variance in Scrum

My team currently works in 3 week sprints and we are capturing Key Performance Indicator (KPI) for each sprint. One of the KPIs is Effort Variance (EV) per sprint My question is at the end of the ...
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19answers
94k 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 ...
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2answers
168 views

What’s the name for the estimation method where only one team member estimates at a time and others have a veto right?

This method is usually used for estimating quickly on a large chunk of user stories to get a feeling on the overall project effort or part of it. I know this estimation method has a name but I have ...
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2answers
203 views

How to estimate and plan with a distributed, part-time team?

The situation: We are a small, fully-distributed software solutions provider. We serve multiple clients, and given our size that means every team member is on multiple, part-time billable teams. ...

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