Questions tagged [estimation]

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

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65 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
992 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
2k 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
693 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
136 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
154 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
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 ...
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3answers
92 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
86 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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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 ...
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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'...
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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 ...
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1answer
103 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
123 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
125 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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2answers
153 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
173 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
102 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
77 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
212 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
126 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
82 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
61 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
388 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
63 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
68 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
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 ...
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 ...
2
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1answer
189 views

How can I calculate how many developers do I need and how long it takes to complete the project? [closed]

I am trying to create an LMS system using Angular and NativeScript. It's a LMS web application like Adobe connect (although a simplified version) that will be written in Angular 8 for example, and a ...
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2answers
96 views

Should single user story contain estimations for each involved guild in full-stack development team

Problem We're working in a full-stack development team composed of three guilds (backend, frontend, QA), so as a team we share a single sprint board. User stories we take into our sprints are written ...
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1answer
66 views

RFI response form asks for “Assumptions” as just a single money amount

I am surprised by the last row in this RFI response form: My project's initial fees are 1m$, recurring fees are 100k$/year, under the assumption that I provide only the software and they run it on ...
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1answer
101 views

Scrum task estimation methodologies

I want to know about tasks analysis and estimation methods that can be used in a Scrum process to make task estimations for a sprint. Deciding whether a story(task) is small or large requires some ...
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2answers
72 views

Should we estimate business users' availability for an agile project?

I recently submitted my project estimations for peer review and I have been advised that we need to estimate the business users' availabilities that will be required to complete each Sprint. I was ...
2
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3answers
108 views

When is user stories estimation supposed to take place?

I would like to know when the estimates are supposed to be produced. Last time I was part of a Scrum team, I think we were providing initial estimates (that would then be quickly reviewed and ...
0
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1answer
241 views

How to implement TFB / NFC / 1 (Sprint) estimation technique?

Reading some old posts like this one, I noticed that the TFB / NFC / 1 (Sprint) estimation technique could be useful for teams moving towards agility. Happens that I failed to find over the internet ...
1
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1answer
75 views

Lean Kanban without estimates or time logging

I work in academia (research). Tasks are varied and almost always involve delving into topics that produce more tasks when you are more informed. A pull system seems appropriate rather than an ...
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2answers
158 views

How to estimate a Research and Development project?

Our software team has been doing a lot of R&D work to improve the performance of our product. Of course, the management team would like to know how long it's going to take to improve the ...
4
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3answers
146 views

Do bugs from previous Sprints need to be estimated?

For example: in Sprint 2, on story, A Tester raises 4 bugs. 2 bugs got fixed in the same Sprint. The remaining 2 were pushed to the Product Backlog. At Sprint 6, we are picking those 2 bugs of story A ...
4
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4answers
994 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 ...
23
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4answers
4k views

Task estimation for PMs who are not developers

While working Agile, how can a PM estimate a task when he/she is not a developer?
5
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2answers
834 views

Adding test cases to user stories (Backlog items) before the sizing session

Scenario: I was asked by management if it is a good idea to add test cases to user stories before the sizing session. This will involve investigating the item, writing test cases, speaking to ...
2
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4answers
366 views

We work with fixed scope, price and time - why should we use Story points?

We deliver projects in fixed price, fixed time and fixed scope environment. We have a contract that specify those, specifications of features. Recently, an agile couch was trying to convince me to ...
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, ...
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3answers
88 views

How to structure estimation requests when there is a middle-man

We have a long term project, call it Project A. Our direct client (DC) is an organization between us and the Product Owner (PO). Every now and then we're being asked for estimates. The problem is ...
5
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6answers
236 views

What should a scrum team do if they complete work earlier than expected?

Our development team estimates that they can complete 30 story points in the current iteration. Partway through the sprint they realize that they will complete 50 story points at their current rate. ...
4
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3answers
603 views

Agile user story's task estimation

I have some confusion regarding the concept of a user story's task's estimation (effort estimate) using hours. What is the actual purpose of estimating effort in hours? In addition to that, let's ...
2
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4answers
528 views

How to avoid the planning fallacy?

The planning fallacy appears especially frequently when estimating tasks in software development. However agile estimation methods like planning poker etc. don't seem to be designed to avoid this ...
2
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2answers
885 views

How to handle large R&D projects using Scrum (or any other agile framework)

In addition to our regular software development tasks we have some large R&D tasks which we find difficult to fit into our scrum framework. The main issue is that there is absolutely no user ...

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