Questions tagged [estimation]

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

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3answers
393 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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4answers
974 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 ...
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1k views

How to sequence tasks given time estimates?

What are the recommended techniques to get the fastest completion time? Just an example, a project has 6 tasks: task1 takes 1 day task2 takes 2 days task3 takes 3 days, requires both task1 and ...
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3answers
473 views

How do I roughly estimate the size of my project in dollar amounts?

I've managed a few small projects at work, but I've never dealt with the budget. For instance, I've had a few tool projects, and two contracts, full time developers, and students. The project lasts ...
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6answers
644 views

Team productivity vs team size

I am looking for information about how the team size impacts project velocity. Let's assume that I have a small project estimated at 300 hours for single worker. What impact does team size have on ...
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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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3answers
336 views

Are there alternatives to estimation? (Software development)

I am taking control of a small project for the first time, and want to tell if we can deliver our scope on schedule. Most teams I have worked in have used story-based estimations. My experience of ...
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5answers
532 views

Accounting for scope growth in agile development

I work on a lot of small, agile software projects without huge up-front requirements; just ideas that I flesh out over time. Generally, development follows these stages: Prototype (couple of days) ...
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2answers
996 views

What are Acceptable SLoC Rates?

This is not a question regarding the quality of the SLoC metric. I accept it as a limited, inaccurate, or even poor metric. That said, I am looking for data that indicates what reasonable rates ...
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3answers
283 views

Should defect criticality change based on user needs?

Question Is it correct to assume that the criticality of a defect can change along with the project's progress? If so, when is this acceptable? Background Criticality is one of the indexes we've ...
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6answers
1k views

Why not use costs instead of story points for estimation?

I propose the following scheme for estimating user stories in a scrum process: A good programmer might cost 80000$ a year, so per hour this is 80000$/52 weeks/40 hours per week = 40$ per hour. In a ...
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4answers
7k views

When should I assign 0 and 0.5 story points to user stories in Scrum?

I am not a Scrum Master or a Ph.D. in math. How do stories with 0 and 0.5 points apply to stories on the Scrum board?
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586 views

How to make realistic long term time estimations when adopting Agile methodology?

I just started to manage the technical department of a small web design firm. It's the first time I'm faced with such a job and I'm trying to figure out how to improve their project management ...
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6answers
383 views

Is it fine to correct an estimation of a story during execution?

During execution of sprint, should team allowed to change estimation of a story in following scenarios. During execution When a story is finished Re-estimate in absence of Product Owner(PO)
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2answers
2k views

T-Shirt Size and total estimation, how to manage them?

I'm working on a project and the Product Owner has to decide if and how many new game-features implement in a SmartPhone app. Those game-features have the goal of keep the user more active inside the ...
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4answers
695 views

Should a team estimate tasks based on the executor's capacity or on the team average?

My team is adopting Scrum. When estimating story points for a backlog item, we use planning poker to reflect the team's average vision of the story's complexity. When estimating task hours within a ...
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4answers
218 views

If taking over a project, should the new PM have to stick to the previous PM's estimates?

A new PM taking over a project "mid stream" will need to get up to speed with all of the documentation, objectives, etc. If the previous PM had produced estimates that the new PM doesn't agree with, ...
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4answers
432 views

Scrum team committments

If my Scrum team is always completing 100% of their committed items, is that a good thing? Given the amount of variability in software development, this would seem to indicate something is fishy to me,...
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2answers
915 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 ...
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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 ...
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2answers
1k 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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4answers
5k views

How to measure percentage complete on an Agile project?

What do you do when management asks for a percentage complete on an Agile project?
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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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4answers
2k 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 ...
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1answer
716 views

Re-Estimating a story's points midway through a timebox

I have recently come across this situation: user stories are estimated using story points timebox planning session has taken place and everything is agreed on timebox (three weeks) is in week three ...
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3answers
241 views

reestimating story size after moving back to product backlog

Let's assume that part of the story (worth say 8 points) was done in the sprint 1. Then, after implementing part of it we are discovering that in fact it is much bigger than originally estimated. ...
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1answer
414 views

Database build up estimation for time

I was asked to estimate my time for building a database engine, which would be a session-aware engine, in order to persist in memory the objects of the db. The thing is that I had a code, an engine ...
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2answers
2k views

how to apply the fixed and variable costs on the WBS to estimate the profit?

I have been asked to estimate the profit that could be achieved for a portfolio for IT training courses. I have to estimate the income and the fixed and variable costs and hence the profit. I made ...
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2answers
1k views

What is a reasonable strategy for estimating story points for new stories?

The project I'm running is very exploratative in that I don't know very much detail about features in advance. My boss will tell me that he wants feature A and that after feature A is finished, he'll ...
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2answers
85 views

What type of estimation is applicable if work items can't be similarly sized because they will violate MMF

As per Kanban, estimations are considered as waste but from the business perspective we need estimation and there is no way to keep features similarly sized. S, M, L sizing does not work as well ...
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1answer
293 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 ...
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7answers
7k 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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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 ...
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5answers
1k views

Is it important to estimate the product size for software project?

Estimate size is the process of approximating the size for of the products and parts to be produced for the project. Is it important to estimate the size, especially for the software project? Does the ...
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2answers
207 views

Can I ask the stakeholders to review my project plan?

I met with the project stakeholders. I documented their goals into a standard WBS structure and a project plan. Can I present my project plan to the stakeholders and ask them for input/feedback on ...
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5answers
370 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 ...
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3answers
720 views

How to address friction between estimation requests and delivery commitment

I'm working on a large program, of which my team are a small but vital part. We have three development teams on aligned on three weekly sprint cycles. We assign stories from the backlog based on a ...
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4answers
693 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 ...
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7answers
426 views

Adding estimation points for learning / context switching

In our scrum team, team members tend to add extra points in estimation when there is a "learning" part involved. Here's a simple silly example. Let's say all the people in a team are experts in C# ...
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2answers
16k views

Who should estimate user stories?

Should the product owner take part in estimating user stories? Furthermore, in our team not all developer familiar with every part of the system. Client and server side is a usual separation. GUI ...
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4answers
373 views

Schedule Control

Here's the scenario: You are building a schedule for a project that has a planned duration about three months. You are not concerned about project costs so you will not be doing EV. You are ...
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3answers
2k views

How to evaluate task duration?

Another question came up about estimation of budget and time plan estimates for a project. In my answer, I stated that the ground knowledge for time estimate was experience. Does anyone knows a more ...
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4answers
1k 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 ...
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3answers
657 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 ...
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3answers
1k views

Which metrics can help estimate the size of a project?

I am putting together a project sizing tool to help understand what artifacts are required for projects (E.G., a simple project may not require a project charter, whilst a complex project may require ...
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1answer
244 views

Estimation Quote on realism vs optimism - does it exist?

I could have sworn I read a quote by Steve McConnell or perhaps Fred Brooks about teams that make conservative estimates and pessimistic deadlines but meet them every time garner more trust and ...
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2answers
1k views

For every hour cutting code, how many project hours are spent doing something else?

I work on a large line-of-business legacy application, my projects are very much NOT green field. The dev teams are small, usually 2 developers, 1 system tester, plus part-time PM and BA resources. ...
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1answer
85 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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2answers
160 views

What techniques do you use to establish scope in agile

More than communications skills, lean techniques to discard useless features with no value, more than ask "what do you want?" or "is there anything else?" to the customer. Reading the book Agile ...
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2answers
948 views

How can we estimate the learning curve for new technology in a project?

I work with embedded systems and sometimes there are some technologies that the people involved with the project have to learn before applying to the product. We are three people that never worked ...

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