Alternatively, let’s look at an exercise. 2- Relative sizing / Story Points. Relative estimation is completed by comparing an item to the items around it to find where it falls in the prioritized list. It is possible for the team just to use its judgment, documenting that information in their team agreements. The method's. Planning Poker ist eine beliebte Methode dafür, eine weitere Möglichkeit stellt aber auch Magic Estimation dar. 3. An example of an online Magic Estimation board from Kiryl’s Facilitation Toolkit. The paper proposes an estimation method for the Product. 2. Co-founder of Agile Alliance and Scrum Alliance, he’s passionate about agile and finds it. Build out a project release plan with estimates. Techniken zur Steuerung agiler Teams: Task Board, Definition of Done, WIP Limits, Daily Scrum, Retrospektiven, Selbstorganisierte Teams, Timeboxing,. These may increase productivity, value, creativity, and satisfaction with the results. 5. Der Scrum Guide hält diese unmissverständlich fest: „Der Product Owner ist verantwortlich, die Reihenfolge der Product-Backlog-Einträge festzulegen. Free Online Estimation Tool for Agile Development (Planning poker, aka Scrum poker)Das Magic Estimation Verfahren ist ein ideale Methode, um eine schnelle Schätzung für eine große Menge an Backlog Items durchzuführen. The whole idea of story points is to accelerate our estimation process by using relative estimations. Was daran so magisch ist und wie das Ganze. Estimate Or Not to Estimate. And have the Product Owner print each product backlog item on a separate sheet. Das Refinement Meeting war früher das. These techniques help Scrum teams break down complex tasks into smaller, more manageable units, enabling accurate forecasting and. We had never previously. If you work with scrum, kanban, scrumban, or any other agile framework, you’ve probably heard the term story points before. It enables us to gain a clear idea of what can be realistically achieved and when. Fixed Price or Time & Material Contract. Estimates drive planning, helping teams align, overcome obstacles, and achieve success. In Scrum, which is the most common form of Agile, velocity is a measurement involving work completed over specific time frames. T-shirt sizing. It’s an exercise for the Scrum team to estimate an entire product backlog with story points in a reasonable short amount of time. Planning Poker is probably the most used estimation technique in Scrum. The question itself doesn’t bug me, but the misunderstandings of estimations do. Attendance: 1 - 10 Duration: 60 - 90 Minutes. Several methods exist to estimate Story Points, including Planning Poker and Magic Estimation. It’s a useful format to get some insights of the size of a backlog. In plan-based approaches, estimates are used to arrive at. It is a great alternative. Estimates in the 1st Scrum Guide — focus on output. November 2022 by RolandWanner. Scrum says that this is a cross-functional group "with all the skills as a team necessary to create a product Increment". This exercise forbids this conversation. Step 2: Associate a sample work item with each level of the point system. What are estimation techniques in scrum? Estimation techniques in scrum is considered as the User Stories for the sprint by priority and by the ability of the team to deliver during the time limit of the sprint. Much like a sports team practicing for a big match, Scrum practices allow teams to self-manage, learn from experience, and adapt to change. Team estimation game play. Magic Estimations is an app that helps Scrum teams estimate the complexity or effort of user stories quickly and efficiently. Magic Estimation – Similar effort estimation method for user stories like Planning Poker®, but much more efficient. Whenever a user story you estimated and cannot be completed in a single sprint, you should call it an “Epic” instead. estimation precision deviation less than 10%, and 92% of all milestones delivered early or on time. Agile Estimate supports the next techniques: Relative estimation. Determine the Impact I (1=low, 5=high). estimation precision deviation less than 10%, and 92% of all milestones delivered early or on time. Agile Poker to dobrze znana aplikacja dla Jira do szybkiego i wygodnego planowania i szacowania zarówno dla zespołów zdalnych, jak i kolokowanych. Auch hierbei geht es nur darum, herauszufinden, welche Items unverstanden. People from all over the world often ask me this question. 36. 私たちの開発するレシピアプリ「エプロンシェア」にて、Sprint0のピボットを行いました。. If the team member agreed with the estimate, he set the story aside and marked it as “estimated”. Estimation of work items is a fast way for a Scrum team to figure out whether all team members are on the same page regarding the why, the what, and the how of the upcoming work. Refinement is a complimentary practice where the Scrum team adds detail, sizing and order to items in the Product Backlog. Estimation is a collaborative process in which teammates discuss the effort of. Prepare the Minimum Viable Product (MVP) Backlog. The method's main idea is in. The rules and tips were shaky at best. Magic Estimation is an effective and fast method to do that by guessing the functionality… consistency on LinkedIn: #agilegames #agile #estimation #backlog #scrum Skip to main content LinkedInPlanning poker is an estimation method that helps your Agile team project the amount of effort one user story in a product backlog could take to complete. Complementary Practices to Scrum. The 2020 Scrum Guide replaced the word estimate with size or sizing. At the beginning the Product Owner presents a ticket that needs an estimation. g. There are at least these ways to estimate stories:More details. March 23, 2020. Keeping estimations as approximations that consider all the aspects comprehensively accelerates the estimation process. However, it is important to remember that it is only a tool for estimating the difficulty and effort of User Stories. Common point systems include Fibonacci or a simple scale from 1 to five. User stories and story points are often used as a technique to define requirements and estimate work by Scrum teams. So kann der Product Owner seine Product Backlog Items verfeinern. Conducting planning poker through the chat function: You can do it! At this point in Sprint Planning I, we opted in favor of Magic Estimation since it is the most efficient. Estimation on a Jira Software board is a powerful tool to help planners assess the size of a backlog and infer a reasonable due date for a project. Several methods exist to estimate Story Points, including Planning Poker and Magic Estimation. Some tasks will take less than a day while others take more than a day. Display mode SCRUM FEST. It is the activity where the PO and the team members discuss the items lying in the backlog. Intro Boris introduced it a little something like this: So you've got a backlog of about 100-200 items and you have a backlog estimation meeting. The number of points a team can accomplish each SCRUM period is called its capacity. Let’s go back to Epic, Features, User Stories and Task. Project managers need timelines for stakeholders. 2. It’s fast and easy to use. Magic Estimation enables Scrum Teams to estimate a Product Backlog in such a short time that it seems like magic. Pick one and give it a try. The MVP backlog might also contain a few items from the ‘should haves’ list, ensuring that the product is sufficiently. If it's a task you've never done before, it'll take longer to estimate. Total: [Sprint 2] + [Sprint 3] + [Sprint 4] = 180. There are code reviews for teammates, consultations with other teams, high-level discussions that ensure things are. We would like to show you a description here but the site won’t allow us. I'll take you through the nuances of understanding the size of work and how it contrasts with traditional estimation. Both role requires 100% involvement. Without talking or non-verbal communication. Select the estimate scale: in the drop-down menu, choose the T-shirt or Fibonacci estimation technique. By estimating time and resources, you can communicate clearly with your stakeholders, plan your sprint backlog, allocate your team's capacity, and monitor your progress and performance. Keep reading as we examine what Scrum is, how it works, and how it can benefit every level of your organization. The estimation method proposed in this article aims at software development projects implemented by Scrum teams with differentiated specializations. A well-refined Product Backlog can accelerate teams and increase their ability to deliver a valuable increment each Sprint. To this structure of Squads and Tribes, the Spotify model adds “Chapters” and “Guilds”. What is 'Magic Estimation' about? It's an exercise for the Scrum team to estimate an entire product backlog with story points in a reasonable short amount of. io For this, there is a method called ‘magic estimation’. Silent grouping. First thing to do is put a numerical estimate on everything in the backlog. Whenever a user story you estimated and cannot be completed in a single sprint, you should call it an “Epic” instead. If you are searching for a perfect way to predict effort, I… You can easily estimate traditional projects 2-3 times. 46K subscribers. Be able to identify and troubleshoot common estimation problems. For a first, initial estimating of vague big Workpackages for Projects in the Project. Unlike classic project management, agile teams strive to estimate complexity because the effort differs depending on who works on it. If the team member agreed with the estimate, he set the story aside and marked it as “estimated”. To select a point system, the team looks at the list of available options and selects one that feels comfortable. The term originates from the way T-shirt sizes are indicated in the US. Magic Estimation bietet eine Alternative zum Planning Poker, um in agilen Projekten User Stories zu schätzen. Estimation Techniques. Despite all the coaching and training, developers somehow always revert the numbers on the poker cards to time. But no one glimpsed into this. Der Scrum Guide hält diese unmissverständlich fest: „Der Product Owner ist verantwortlich, die Reihenfolge der Product-Backlog-Einträge festzulegen. Auch bei Magic Estimation wird mit Storypoints gearbeitet. Multiply the Impact (I) by the Probability (P) to obtain the R isk Value R=IxP. Some people often forget that estimates are, after all, just estimates. Thomas who wanted an almanac “to be useful with a pleasant degree of humor. I purposely postponed the estimation during Refinement to first keep focus on sharing knowledge and then on. E. We use Story Points during Product Backlog Refinement. Fibonacci and story points. During sprint planning we estimate all user stories planned for the sprint using story points. Scrum is not a one-size-fits-all solution, a silver bullet, or a complete methodology. Usually, at the beginning of an agile project, a workshop is held where initial User Stories are written. The team then clarifies all questions regarding the ticket. discover how to strategically plan your next agile project as effective as a military commander -Estimation strategies: battle-tested methods to accurately forecast. This rate is calculated by the difference between previous estimation "magic" with the real estimation "planning poker". Many agile teams, however, have transitioned to story points. 5. The Team Estimating Game (sometimes called the Fibonacci Team Estimating Game) is an agile estimation technique that establishes relative sizing using story points and a rough order of magnitude estimation. It leaves it up to the Scrum team to choose the tools to deliver value and meet the Sprint and product goals. Gain skills you can apply immediately via “9 practical exercises”. In Scrum, the idea of a sprint is well named: as a team, you are trying to complete work on a. Team Estimation Game has an opinion of the most effective estimation technique for most Scrum Teams. A lot of the numbers (1 minute to estimate tasks, 1 task takes no more than 1 day) are rules of thumb. Planning Poker is one of the most popular Agile practices. This enables doing magic estimations with distributed teams. Yet, it remains to be judged as faulty, bad, and outdated, often by people who didn’t understand it and implemented it the wrong way. Determine a rough estimate and dependencies between individual product backlog items. Explore more in this article. Align priorities. How much depends on the subject and the person or group estimating. In plan-based approaches, estimates are used to arrive at. This way, teams can better understand the estimation process and easily break epics into smaller ones. Once Estimation is enabled, you can select whether to use Story points or Time. 3. # 4) Nachfolgend sind einige häufig gestellte Fragen unter den Teilnehmern aufgeführt:. E. Estimation in agile is therefore built on different premises:Scrum task estimation methodologies. Some of these I've invented myself, but most already existed and have only been changed slightly to a format that suits me best. In the world of Agile software development, the T-shirt sizing model is a popular high-level estimation technique that helps predict project scope and resource allocation. “ Auf der anderen Seite gibt der Scrum Guide keine Anleitung darüber, wie Product Owner entscheiden sollen, welche Einträge oben im Product Backlog stehen und welche unten. This means that the Product Owner is responsible for the requirements, determines which requirements are implemented and in which order. There are some situations when estimates are very important: Coordinate dependencies. Story points also provide a metric known as velocity, which is the number of points implemented per sprint. Jeder User Story soll die passende Anzahl an Story Points zugeordnet werden. The fact that a small team might estimate in such a way that they have a velocity of 50, while a larger team estimates so as to have a velocity of 12, is of no concern to anyone. The points assigned to the task will help the team estimate how long it will take to complete each task: how difficult it is likely to be, and what will be included in the next sprint, based on this estimation. Estimation One of the most debated activities when teams apply the Scrum Framework is the point of estimation. to log my adventures as Scrum Master. Watch on. It is much easier to say that an elephant is bigger than a gorilla than to measure both animals’ height or weight. Indeed, a mock-up or visual of some sort is essential. The team estimates this work will take 500 hours and they have a one-week Sprint with only five Developers. I’m a software craftsman living in Germany, coding computer programs since I was 16 years old. Enable the Estimation feature. In this blog post, I will describe a method and my experience with it as a Scrum Master. Use either in Scrum or Kanban planning meetings. What is ‘Magic Estimation’ about? It’s an exercise for the Scrum team to estimate an entire product backlog with story points in a reasonable short amount of time. Story point estimation is the process of assigning story points to a product backlog item or a user story. At the same time,Intuitive app for backlog estimation for agile teams. About the Author Kiryl Baranoshnik is an experienced Agile and Lean practitioner. With that established let’s take a look at Magic Estimation, originally introduced by Boris Gloger on the South African Scrum Gathering. Well, this is the tricky part, probably the most challenging task in this industry: to give a reliable. Durch Magic Estimation ist es Scrum Teams möglich, eine Product Backlog in so kurzer Zeit zu schätzen, dass es wie Magie erscheint. In plan-based approaches, estimates are used to arrive at. " Tools like Planning Poker or Magic Estimation are then introduced to fill the gap, and "Story Points" are offered as an alternative. Kỹ thuật Estimation trong Agile. For example, the arrangement goes like 0-1-1-2-3-5-8-13 and moving on. I started with a little game (this to fresh up the brain). Agile-like methodologies. This is a great technique when there are a lot of tasks to estimate rapidly. During high-level planning, only the productivity of the whole team is. Opportunity Scoring. No. In the following figure you can see the difference between agile projects and traditional projects. At Scrum, you estimate the effort on two levels: the Backlog Item level and the task level. In pure silence they lay down the stories on the table with corresponds to the correct number. Time is used for sprint review, retro, and planning. Professional Scrum Product Backlog Management Skills Improve their ability to manage all aspects of the Product Backlog. ¼ day, ½ day, 1. It is especially useful to quickly estimate a large number of items. Wie die Agenda des Backlog Refinement aussieht und wie Magic Estimation durchgeführt wird ist dort beschrieben. In Scrum, we usually use “Epic” and “Theme” instead of “Feature”. 4. By default, these fields are specified in minutes, but you can use hours, days, or weeks, depending on your JIRA system configuration, see Configuring time tracking (Jira Admin documentation). Relative estimation — Example. Magic Estimation - by Barry Overeem. PO does it to maintain the backlog and to generate work for the next sprints. And they have 15 minutes to estimate the entire product backlog. It is an independent software and systems company focusing. The Fibonacci sequence is a mathematical series that is generated with the addition of the last two numbers. Wideband Delphi und Magic Estimation (auch bekannt als Silent Grouping, Affinity Estimation, Swimlanes Sizing oder Relative Estimations). Part 1: Roles and structure in Scrum. The practice of planning and estimating has a long history. “Scrum Guide doesn’t prescribe to use any estimation technique, like Poker planning, magic estimation, story points, focus factor, dirty hours, T-shirt and person-days. So you need to get the magic estimation and use same user story in planning poker to "calibrate" the rate. Wie funktioniert Magic Estimation? Ähnlich wie Planning Poker ist Magic Estimation eine Teamaktivität in Scrum, um den Aufwand bzw. Auch hierbei geht es nur darum, herauszufinden, welche Items unverstanden. They can support the project and remove obstacles, but also create an environment in which agile principles and projects can develop. —. Teams are called “Squads”, and they can choose their own Agile way of working, like Scrum or Kanban. Requirements are identified in Scrum during the entire project duration and are repeatedly re-prioritized. The team then clarifies all questions regarding the ticket. In Scrum, the effort of the work to be performed is estimated before each Sprint. Agile Scrum and generally, the agile approach to software development, has been around for 27 years at the time of writing this article. Dot Voting. However, if he disagreed with the original estimate, he moved the story to another that he thought best fitted the story. Whatever work best in your situation. Those answered with NO, won’t affect the estimation, so they have to be considered with 0. Multi-field estimation with the optional final score. Story points are not a Scrum concept. Subscribe. Use story point estimation to make more accurate projections. Optional facilitation by a Scrum Master or Product Owner. Improvisationstechniken Zahlreiche Beispiele und Anwendungsfälle Advanced features for all available estimation methods facilitate discussion and help maintain a balance between the speed of the estimation process and expected accuracy: Board context for easy session setup and management. I came up with one based on 10 questions: each answered with a YES increases the total by 1. Magic Estimation mit Backlog Items Als nächstes wird dieses relative Sortieren mit 15 bis 30 Backlog Items wiederholt. Respect Empiricism, follow 5 scrum values (courage, commitment, focus, respect, openness), and focus on achieving shared understanding in the team, you will be surprised after few sprints! “Estimating isn’t about estimating at all. Tasks are given point totals based on how many times longer they will take than the easiest tasks. Especially when you have several concurrent scrum teams working on the same product. To use relative estimation, the Scrum Team first selects a point system. Estimating is about creating a shared understanding of the requirements, and a shared understanding of the. This means involving the whole Scrum team, including developers, testers. Recognize when to re-estimate & when not to. When they make informed decisions and plan well, their user story delivery time will improve. When a new project is on the horizon, we have to understand the problem, plan a solution, and estimate how much time and money it will take. Planning poker. Diese werden an der Wand tabellarisch angeordnet, sodass man Aufgaben einem Storypoint-Wert zuordnen kann. Flow metrics or counting items Magic Estimation Game is a relative estimation method, also known as ‘silent grouping’ or ‘affinity estimating’. Denn durch Magic Estimation wird nur über diejenigen Features oder User Stories ausführlich gesprochen, über die innerhalb Deines Scrum Teams kein Konsens besteht. If we were to conduct a similar procedure through remote planning, we would. Cost of. The Scrum Guide documents Scrum as developed, evolved, and sustained for 30-plus years by Jeff Sutherland and Ken Schwaber. – Dropped balls do not count. – The session should take 35-40 minutes. The epic in which we will be estimating is: Login module to access through my mobile app. For this technique every team member gets a set of Planning Poker cards, which show the Fibonacci row. Imagine you have a Product Backlog refined out a year in advance. We mark these Stories with higher Story points like 8 or 13 or 16 and states that because of unknowns it is not easy to Story Point them so either team does optimistic estimation (lower value) or. Gain skills you can apply immediately via “9 practical exercises”. B. by Jennifer Sonke on September 1, 2022. Story points are units of measure for expressing an estimate of the overall effort required to fully implement a product backlog item or any other piece of work. (See our recent article How to create a point system for estimating in Scrum. Other sources provide patterns, processes, and insights that complement the Scrum framework. The team is multidisciplinary, in other words, there is no specific frontend team, or backend, or even a test team. Out of several estimation techniques involved in Scrum, few are noted below. Who I am…. Fixed price or time & material contracts are common in software development. Deciding whether a story (task) is small or large requires some investigation of that story (task). Magic Estimation mit Backlog Items Als nächstes wird dieses relative Sortieren mit 15 bis 30 Backlog Items wiederholt. Diese werden an der Wand tabellarisch angeordnet, sodass man Aufgaben einem Storypoint-Wert zuordnen. In this post I offered 7 ways for getting feedback from users. The most important aspect of velocity is that it is a measure of. Agile Estimating (aka Magic Estimation) The priorities of the different parts your product/project. . 4. An introduction to the estimation technique called Magic Estimation. This method is used for estimation based on the relativity of a backlog item to similar items. Animal Sizing suggestions. Inadequate early scope estimation is a common problem in software projects, leading to failures in meeting project requirements. by Tech-5 for Jira Cloud. You get better at estimating by analyzing what information you uncovered after the estimate that would have changed your original estimate. The purpose of estimation in Scrum. Planning Poker or Fibonacci sequence. Being an Agile Coach & Trainer for Prowareness, I use different types of games, tools and practices every week during meetings, workshops and trainings. in software development. One of the techniques frequently used to create an initial estimation on the effort for an entire product backlog is Magic Estimation. First, when a stakeholder comes with an idea or wish, the team would roughly estimate the size of the item. There's no way to configure this in Jira, nor in other "scrum. Using this technique you get a quick feel on the perceived effort of the. It used Atlassian. Thank you guys so much for all of your input!Classic Magic Estimation. Tshirt sizing is a popular scrum poker alternative. Story Points sind eine Einheit zur Beschreibung der Größe und der Komplexität einer User Story. 5 from 1 rating. E. Although it’s an outgrowth of the Wideband Delphi process from the 1970s, planning poker greatly simplifies the process and is designed to be conducted with live teams having. ) Improved Decision-Making. About me; Subscribe to RSS; June 2, 2014 in estimate; 1 Comment;. The larger the story, the more prep work needs to be completed before the team can estimate the effort and design the technical solution. 3- Affinity Estimation. Several methods exist to estimate Story Points, including Planning Poker and Magic Estimation. Herramienta recomendada # 1) Póquer ágil. Best Agile Estimation Techniques. Magic Estimation Game is a relative estimation method, also known as ‘silent grouping’ or ‘affinity estimating’. And they have 15 minutes to estimate the entire product backlog. Magic Game Estimation. Next, every team member had to take one number, read all of the stories assigned to this number and check the relative size against the other stories assigned to this number thus confirming the estimate. Use tape to divide a wall in multiple columns. Name. The benefits of Magic Estimation are the speed (due to only non-verbal communication) and the subjectivity with which each team member can look at the process. The next player take the top card off the pile and places it relative to the first card based on size. See full list on whiteboards. The Magic of Checklists. A great technique for quickly estimating an item. As an accomplished professional with over 16+ years of experience in product development and project management, I have a track record of delivering business impact. to log my adventures as Scrum Master. There's nothing that says that the attribute of an estimate cannot be as simple as "yes, this item is likely to fit within a Sprint". 1. Magische Zutaten. An example of an online Magic Estimation board from Kiryl’s Facilitation Toolkit. in software development. Divide the Product Backlog Items between the workshop participants. 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. How Team Estimation Works. The power of estimating items is not in the estimation itself but in the conversation. Magic Estimation. Scrum Teams bedienen sich relativer Größen, da Menschen Relationen leichter bestimmen können. Recognize when to re-estimate & when not to. For example, let’s calculate sprint velocity based on the below data: Sprint 2: 4 user stories x 12 story points = 48. This request is a <feature/codebase/product> that few on the Scrum Team know well, therefore: the Developers can add pairing and mentoring to the Sprint Backlog item to increase team effectiveness. Agile projects usually do not concentrate on a comprehensive requirements analysis and specification before the start of the project, making scope assessment difficult. Agile Manifesto focuses businesses on delivering value in the form of working products, building in close collaboration with customers to react (or even initiate) to changes. Part 2: Magic Estimation Before you start estimating, ask the teams to brainstorm for 5 minutes to come up with extra ideas to make the magazine even better. However, it gets more confusing when it comes to agile ways of working since we discover requirements progressively in agile. He also describes himself as. Magic Estimations is an app that helps Agile teams estimate the complexity or effort of user stories quickly and efficiently. Lucky us! we found an epic that is. The team decides to deliver the first 1,000 fields in the first Sprint and the second 1,000 fields in the next, and so on. Hiện nay, những mô hình quản lý dự án và mục đích chung của các mô hình này đều hướng đến việc tạo ra sản phẩm tốt, bàn giao cho khách hàng đúng deadline. I have done it with my Scrum Team for several Product Backlogs. If you believe. Improve team's estimates in Story Points, hours, or use any custom Jira numeric field. I understand as you go on in the. While we were planning the “Agile way,” we still fell into the trap of over-commitment when the new idea (points) did not line up with the old approach (hours). “Theme” is a collection of related user stories. g. That’s why more and more Scrum Teams are using *Magic Estimation”, a method Boris Gloger adopted and refined from. Magic Estimations is an app that helps Agile teams estimate the complexity or effort of user stories quickly and efficiently. Jeder User Story soll die passende Anzahl an Story Points zugeordnet werden. It is a great alternative. To Manage the Product BacklogMagic Estimation. Honorable mention: Estimate extension allows the development team to do Planning Poker estimation with selected items and immediate. playing surface a foot or so away from this pile. Now we have. This paper presents the methodology for. Rozpoczęcie pracy z Agile Poker jest proste i łatwe, ponieważ zostało zainspirowane trzema standardowymi metodologiami szacowania: Planning Poker®,. Wall estimation - Assigning numeric values by collaboratively placing and moving cards on a wall, also referred to as magic estimation or silent estimation. Create fixed lanes, assign standard estimation values your team uses, and spread the stories to the lanes. Relative Estimation. This is a great techn. A user story is a very high-level definition of a requirement, containing just enough information so that the developers can produce a reasonable estimate of the effort to implement it. The cards are revealed, and the. What is ‘Magic Estimation’ about? It’s an exercise for the Scrum team to estimate an entire product backlog with story points in a reasonable short amount of. “Each participant gets 5 stickies”. Evaluate numerous work items in a relatively short time using t-shirt sizes as your estimation value. For the Story Point Approach, Planning Poker and/or Magic Estimation is used. Product Owner ensures that the prioritized User Stories are clear, can be subjected. The general concept behind the app is Magic Estimation method (also referred to as Silent Grouping, Affinity Estimation, Relative Estimation, Swimlanes Sizing). But the more you do it, the better and more efficient you get at it. die Komplexität von Backlog-Items zu schätzen. October 2022 1. The purpose of every planning is to support decision making. Affinity estimation. There are some T-Shirt sizing cards out there, but on these cards are also numbers displayed. Intro Boris introduced it a little something like this: So you've got a backlog of. The total ideal hours = 10*9*7 = 630 total hours of work for a 2-week Sprint.