Questions tagged [estimation]

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

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52 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
93 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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90 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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56 views

Software for estimating the cost of acquiring and maintaining software [closed]

Are there any software/tools created specifically for estimating the cost of acquiring and maintaing software? I need to give university presentation about those kind of tools/software and while I'm ...
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3answers
67 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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6answers
511 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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7answers
1k views

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
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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4answers
129 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
139 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
2k views

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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4answers
108 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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2answers
198 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
124 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
332 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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2answers
104 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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1answer
1k 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
82 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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1answer
157 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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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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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
756 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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2answers
1k 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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2answers
166 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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9answers
8k views

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

For example : Some see its userstory (e.g. 2 points) and others see technical complications and judge that the story should be 20 points. The 2-point voters say, "I understand your opinion, but don't ...
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7answers
15k views

Is Planning Poker Bad for Software Development Teams?

We have a project manager that is adamant about planning poker. I have found that this adds stress to everyone on the team, and the times are always wrong. We have different skill levels on the team ...
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3answers
160 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 ...
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3answers
122 views

How to estimate delivery date with unidentified tasks

Given a software project which is complete when all of its deliverables are delivered, in which each deliverable has sub-deliverables, in which each sub-deliverable has multiple tasks assigned to it ...
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2answers
101 views

How should I handle project cost (in time) to a client without committing too much work?

currently we have a client that have a series of requirements (very broad and general) for an app. I as the PM was asked by my boss to estimate how much hours of work were required to make that app. ...
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385 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 ...
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5answers
4k 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'...
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2answers
120 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 ...
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1answer
190 views

Kanban Estimation using Littles Law

I am new to Kanban, I am aware that Kanban is a flow system and estimation is optional. My stakeholders have requested the following: Provide a delivery date for the remaining items (WIP)? If the ...
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3answers
390 views

how to do spike/research story which can run more than 1 sprint

I past I have done a research/spike story which was a new area for me. Building big excel, debug ntml2 jar for authentication issue. our sprint was 2 weeks and it runs for more than 1 sprint, what ...
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1answer
193 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
266 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
217 views

Team added “Daily Scrum” as a task in Jira. How do I get rid of this?

So I am just joining a new team. This team is using "Daily Scrum" as a task because according to them it is a "task". Obviously I want to help them understand that it is not a task, just like ...
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2answers
121 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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2answers
80 views

When should we stop estimating?

When using Scrum, are the estimated story points for completing an User Story sufficient, or should the estimate be taken at the task level?
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2answers
586 views

What is an “e zero” estimate

I am often asked to provide an "e zero" estimate for a piece of work. I have been assuming up to now that it means "rough estimate". Does anyone have any link to what this means specifically. I ...
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2answers
201 views

Fibonacci scale project estimates: how is it not vulnerable to misunderstanding by management?

The Fibonacci sequence is to assist developers with project estimates. The concern is that we consistently see management use the points derived from Fibonacci sequence estimates to determine project ...
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3answers
84 views

Tracking progress of a team working on small tasks

Our software team works on small tasks. Each task takes about 2 weeks. There are developers whose performance is twice bigger than the other's (the level is the same). Everybody just writes how much ...
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2answers
80 views

Tasks during sprint planning

For the next sprint, Jira displays the total number of story points in the backlog, calling it "Estimate.". This number leaves out tasks, which are estimated in hours, not story points. This makes it ...
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3answers
455 views

Dev went on vacation leaving his work unfinished. How to manage this without informing the customer?

I would like to discuss and hear some advice from you about a pretty common situation. We develop the functionality that has huge business value for the customer’s project and thus the customer is ...
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1answer
86 views

How are low ambiguity and low complexity tickets dealt with when they have a high work cost?

In our scrum team, we can often get user stories which are not very complex and not ambiguous but have a high amount of leg work associated. Example: We receive a user story to replace the name of a ...
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1answer
79 views

Is there any estimation method to estimate end user testing?

Is there any estimation technique that can help us to estimate the number of needed test cases in traditional software projects? For example, we have a Software requirements specification (SRS) with ...
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1answer
272 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 ...

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