Project Management Concepts | Wrike Blog
Please enter your email
Server error. We're really sorry. Wait a few minutes and try again.

Project Management Concepts

Choose the category you are interested in:

The Ultimate Guide to Parametric Estimating in Project Management
Project Management 10 min read

The Ultimate Guide to Parametric Estimating in Project Management

Parametric estimating is a method of calculating the time, cost, and resources needed for a project. Learn more about parametric estimating techniques with Wrike.

Understanding Risk Breakdown Structure
Project Management 5 min read

Understanding Risk Breakdown Structure

A detailed risk breakdown structure is critical for project managers in any industry. Don’t let surprises derail your project success or impact key objectives.

What Is Asynchronous Communication?
Collaboration 10 min read

What Is Asynchronous Communication?

Discover how to use asynchronous communication to encourage strong communication between remote teams. Read on for examples of asynchronous communication.

Understanding the Theory of Constraints
Project Management 10 min read

Understanding the Theory of Constraints

What is the theory of constraints, and how can it impact your project management? Here’s what you need to know.

What Are Positive Risks in Project Management?
Project Management 5 min read

What Are Positive Risks in Project Management?

What is a positive risk and how can they impact your next project? Identify, track, and manage positive risks in project management with Wrike.

Understanding Stakeholder Theory
Collaboration 7 min read

Understanding Stakeholder Theory

What is stakeholder theory? This management approach argues that anyone affected by a business is a stakeholder. Read on to discover more about stakeholder theory.

What Is Resource Management and Why Is It Important?
Productivity 5 min read

What Is Resource Management and Why Is It Important?

Resource management requires a thorough understanding of and transparency into your objectives and capacity. By establishing a good process for resource management planning, you’re maximizing efficiency and overseeing the utilization of those resources.

What Is Hybrid Project Management?
Project Management 7 min read

What Is Hybrid Project Management?

Hybrid project management can be your team’s secret sauce for delivering more successful projects. Learn how it’s done with Wrike.

How to Carry Out a Requirements Analysis
Project Management 10 min read

How to Carry Out a Requirements Analysis

Requirements analysis is a key stage in any project. Here’s how the process works, from consulting stakeholders to creating a requirement analysis document.

How to Do a Feasibility Study
Project Management 7 min read

How to Do a Feasibility Study

Will your next project succeed? Here's how to do a feasibility study, including what it is, best practices, and how Wrike can help with your project management efforts.

What Is Risk Identification in Project Management?
Project Management 10 min read

What Is Risk Identification in Project Management?

If you Google ‘why projects fail’ you’ll get several pages of articles and resources, including 5 Reasons Why Project Work Plans Fail and How to Avoid Them here on Wrike. A lot of the reasons are procedural relating to scope definition, methodology, and communication, for example, but there is a common theme: an inadequate risk identification process. Poor risk management isn’t just an issue that impacts big businesses. Smaller businesses are prone to the same types of mistakes and their consequences, which can be just as (if not more) catastrophic for them. Project risk identification is not just for enterprises but a practice that should sit at the core of any business’ modus operandi. What is risk management? Risk management is the process of identifying, tracking, and managing potential risks that can impact the overall health and reputation of a business. The Association for Project Management (APM) in the UK describes it well: “Risk analysis and risk management is a process that allows individual risk events and overall risk to be understood and managed proactively, optimizing success by minimizing threats and maximizing opportunities and outcomes.” Without buy-in from the top, proper stakeholder engagement, and a disciplined approach to risk identification and management, a project will carry a higher risk of failure. The lesson here is to tackle risk at the very start of a project and let your learnings inform decisions relative to scope, process, and resourcing. Consider issues that come up time and again across projects, such as fixed price contract risk, or risk related to certain times of year for customers. Our How to Make a Risk Management Plan article covers this and includes examples you can refer to.  Remember this too — risk management is not just a process but about culture as well As Tom Wilson, Allianz Chief Risk Officer, reminds us: “Risk management is a culture, not a cult. It only works if everyone lives it, not if it's practiced by a few high priests.” On a higher note, there are also risks that can benefit a project. For example, a potential change in an organization’s policy that would remove red tape and save you time. These are typically referred to as opportunities, while negative risks as threats. You can learn more about this by reading our What Are Positive Risks in Project Management? post. What is the risk identification life cycle and process? Diving deeper we find risk identification, which is the first step of the risk management process. We’ve described step one in our Project Risk Assessment guide: "Create a list of every possible risk and opportunity you can think of. If you only focus on the threats, you could miss out on the chance to deliver unexpected value to the customer or client." Notice how the latter part of the definition makes a strong case for including positive risks in your planning — take every opportunity to delight stakeholders. So, how do you go about identifying risks? There are different frameworks for this and you should choose one that best fits your organization's working practices and resourcing. The Project Management Institute (PMI), for example, published a comprehensive guide that explains its model in detail. This may be overkill if you’re working on a simple project or within a small organization but worth understanding nevertheless. Let’s consider context first. Much like a project within a project, the risk identification life cycle is a process that delivers key elements of an overall risk management plan. The Risk Identification process itself follows a defined structure and is elaborated progressively through six stages: Template specification Basic identification Detailed identification External cross-check Internal cross-check Statement finalization How to identify risks in project management For brevity, we’ll focus on the initial three steps as they cover risk identification specifically (while the remaining steps are about validating and formalizing findings against the overall project’s scope). Template specificationThis is a risk statement based on feedback about causes, effects, impacts, areas of risk, and events. A structured template helps you capture this in a consistent way. Basic identificationAnswering two questions about potential risks: why or why not us and whether they have been experienced before. The former can be captured via SWOT analysis exercise while the latter is a statement, ideally referenced from a project post mortem or lessons learned library. Detailed identificationThis step is more time-consuming than the previous ones but also delivers the detail you need to properly assess risk. PMI identifies five tools to use: Interviewing Assumptions analysis Document reviews Delphi technique Brainstorming Once you’ve completed these steps you’ll need to categorize risk in the next one — the External cross-check step. We’ve covered this in our Understanding Risk Breakdown Structure article. Step five is the Internal Cross-check which maps risks to corresponding elements in the scope of work. At this point you will start forming a view of what project elements are riskier than others, and what mitigation strategies to adopt. The final step, Statement Finalization, packages findings in a series of diagrams covering risky areas, causes, and impacts. Tip: Use a tool like Wrike to maintain a risk register spanning all of your projects which you can refer to whenever you start a new one. Risk identification example Here are a couple of examples, the first one based on PMI’s methodology outlined above and the second one captured in an online risk register. Risk identification example 1 Risk identification example 2 The two examples are not necessarily alternative approaches. Rather, the first one is a sample risk identification template, and the second one is a risk register holding the same information. By using an online project management tool it becomes much easier to manage both processes and give visibility to stakeholders. How to make a risk management plan Think of the risks you have identified as the foundation blocks of your risk management plan which typically includes the following elements Risk identification Risk evaluation Assignment of risk ownership to project team members Risk responses Plan to constantly monitor for new risks and address them appropriately By the time you have completed the risk identification step, you will be able to refer back to detailed information for each to evaluate them, assign ownership, and determine responses. Work doesn’t stop once you’ve done that. As the project progresses, you’ll need to monitor for and identify new risks. Risk ownership plays an important role here too, so make sure you’ve defined processes for communication and escalation. This brings us to the next question: who should oversee risk?  Who should oversee risk?  Large organizations appoint risk managers at the C-suite level and often form risk committees with representatives from different departments, who report back to the CEO and the Board. Large organizations will have their risk governance regularly audited by external parties too. The model becomes increasingly ‘risk governance lite’ for smaller businesses but project risk identification and management should always be a priority. It’s good practice to assign responsibilities at the very start of a project, mapping roles with responsibilities. Here’s what this could look like for larger organizations. Project sponsor Has overall responsibility for a project and a view of and signs off on the risk management plan. Project manager Overall responsibility for risk management including communication and escalation. Risk owner This could be a member of the project team or a stakeholder who isn’t part of it but nevertheless owner of individual risks. Risk Committee Has a view of risk across every project of an organization. In smaller organizations, you’ll see business owners wearing the project sponsor hat and are less likely to have risk committees too. The more diligent ones will cover risk just as effectively by streamlining the process. Risk identification template A template to list and analyze risks is an easy way to ensure you and your stakeholders are on the same page. With Wrike's Project Risk Analysis Template, your team can quickly and easily identify potential risks and their scope, mitigate risks by prioritizing certain tasks, and implement RAID (risks, assumptions, issues, and dependencies) logs into your workflow. Wrike's template comes with pre-built request forms to help you create detailed RAID entries when they arise. As you can see from the table above, each risk, along with its impact, probability, and proximity scores, are all listed in one place, so your team can capture and mitigate risks at a glance.  Using Wrike to manage (and mitigate) risks Risk management is a critical and substantial component of project management. It can be an expensive exercise too if you consider that it can eat up to 20% of the total project’s time. It’s therefore surprising to learn that many larger organizations rely on outdated tools like documents, spreadsheets, and emails to manage risk. . This presents all kinds of risks if you think about it. How many times has a file gone missing or an older version updated and circulated? By using a modern, versatile, and powerful project management tool like Wrike you gain efficiency and reduce risk at the same time. Here’s how: Your risk identification and management process is centralized and easily accessible You can design workflows to facilitate steps in your risk management plans You can add multiple levels of categorization and tagging to risks to search them across multiple projects You get alerted of the more critical and high priority risks  You’re always up to date and can run reports at the touch of a button You communicate and collaborate in real-time If this looks like a more streamlined approach than what you’ve currently got then you really need to consider Wrike for your next project. Get started today with a free two-week trial and learn how Wrike can help manage project risks and of all sizes.

How to Write a Business Case (With Example & Template)
Project Management 10 min read

How to Write a Business Case (With Example & Template)

A business plan is a straightforward document. In it, you’ll include market research, your overall goals for the business, and your strategies for achieving those goals.  But what is a business case and why do you need one if a business plan outlines everything else? A business case takes a closer look at a specific problem and how you can solve it. Think of a business case as the reason you create a project you’re going to manage in the first place.  The article provides a step-by-step guide on how to write a successful business case, including a checklist for identifying problems, researching solutions, and presenting to stakeholders. As a bonus, we’ll show you how to use Wrike to manage your product business cases with a requirements management template or implement them with a project scheduling template. What is a business case? A business case is a project you’ll assemble for identifying, addressing, and solving a specific business problem.  The key to a business case is the change it creates in your business. Developing a business case starts with identifying a problem that needs a permanent solution. Without that lasting change, a business case is only an observation about what’s going wrong. A complete business case addresses how a company can alter its strategy to fix that problem. Front-to-back, a business case is a complete story. It has a beginning, a middle, and an end. It typically looks like this: Beginning: Someone identifies a problem within the business and presents the business case to the key decision-makers. Middle: With the project go-ahead, the company launches an internal team to address the business case and deliver results. End: The team delivers a presentation on the changes made and their long-term effects. In short, a business case is the story of a problem that needs solving.   Examples of business cases The problem for many companies is that they can turn a blind eye to challenges that are right in front of their faces. This is even the case when the company has a compelling product to sell. Consider the example of Febreze. In the mid-1990s, a researcher at Procter & Gamble was working with hydroxypropyl beta-cyclodextrin. His wife noticed that his clothes no longer smelled like cigarettes, which was a frequent complaint. P&G had something of a miracle product on its hands. However, their approach was wrong. They initially marketed Febreze as a way to eliminate embarrassing smells. Predictably, the product flopped.  But P&G stuck at it. They had a potential business case on their hands: a highly marketable product proved difficult to market. What was going wrong? Working on the business case from beginning to end provided the answer. After some focus group testing, P&G found out that few consumers recognized the nasty odors they were used to. Instead, they learned to use a different business case for Febreze: it was a cleaning product now, a way to make the house smell nice when the floors are vacuumed and the counters are wiped clean. They gave it its own pleasant smell and fashioned it into a cleaning product. And because it worked so well, so did the campaign.  That’s an example of a business case overall. But let’s get specific: developing a business case is easier when you have a template to look at. Let’s build an example using a made-up company, ABC Widgets, and a hypothetical business case. Let’s call our business case example “Operation Super Widgets”: Business Case: ABC Widgets Section 1: Summary Briefly describe the problem and the opportunities.  ABC Widgets’ latest widget, the Super Widget, is suffering from supply issues, requiring higher shipping costs to procure the necessary resources, and eating into profits. We need to switch to a new supplier to restore the viability of the Super Widget. Section 2: Project Scope This section should include the following: Financial appraisal of the situation. Super Widgets are now 20% more expensive to produce than in the year prior, resulting in -1% profits with each Super Widget sold. Business objectives. To get revenues back up, we need to restore profit margins on Cost Per Unit Sold for every Super Widget back to 2020 levels. Benefits/limitations. Restoring Cost Per Unit Sold will restore 5% of sagging revenues. However, we are limited to three choices for new Super Widget suppliers. Scope and impact. We will need to involve supply chain managers and Super Widget project management teams, which may temporarily reduce the number of widgets we’re able to produce, potentially resulting in $25,000 in lost revenue. Plan. Project Management Teams A and B will take the next two weeks to get quotes from suppliers and select one while integrating an immediate plan to bring in new Super Widget parts for manufacturing within four weeks. Organization. Team Member Sarah will take the lead on Operation Super Widget Profit. Both teams will report to Sarah. This is a bare-bones example of what a business case might look like, but it does hit on the key points: what’s the problem, how can you fix it, what’s the plan to fix it, and what will happen if you succeed? How do you write and develop a business case? When writing your own business case, the above example is a good guide to follow as you get started with the basics.  But, once you’re more familiar with the nuts and bolts, it’s also worth being prepared for some potential roadblocks you could face along the way.  Challenges of writing a good business case Why don’t more companies create a business case? It might come down to a lack of good communication. Many people don’t even know how to write a business case, let alone present one. “The idea may be great, but if it’s not communicated well, it won’t get any traction,” said Nancy Duarte, communication and author who wrote The HBR Guide to Persuasive Presentations. The key challenge, notes Duarte, is taking abstract business concepts (like lagging numbers) and turning them into an immediately recognizable problem. After all, if a company already had perfect awareness that it was making a mistake, it likely would find a way to stop the error in its tracks.  A business case is challenging because it usually means you’ll have to persuade someone that change is needed. And change can be difficult. In a thriving business, it’s especially problematic because it’s easy to point to the bottom line and say that whatever the company is doing is already working. How do you present a business case? The tips and examples above give you some nice remedies for creating a business case without the typical problems. But you’ll still want to present a business case with the straightforward proposals and numbers you’d associate with any new project.  Essentially, it all comes down to how well your business case can persuade the decision-makers. That’s why you shouldn’t just build a case off of raw numbers. The bottom line might be a compelling argument, but it’s not always what “clicks.”  If you’re presenting a business case, you’re a salesperson. And not every sale is a matter of precise logic. It’s also about emotion—the story of why something’s gone wrong and what needs doing if you’re going to overcome it.  The art of a good business case is the art of persuasion. Keep these specific points in mind as you craft one of your own: Point to an example of a bad business case and liken it to the present case. No one likes the idea of watching themselves walk into a mistake. Presenting an example of a business that made the same mistake your company is making and then translating it into the present moment is a compelling way to craft a business case that makes ears perk up. Build a narrative. Nancy Duarte pointed out that in one business case, a client convinced a CEO to follow through with a project by using simple illustrations. It’s not that the idea of adding illustrations to the business case was so great. It’s that the illustrations were able to tell a compelling story about why the case needed to go through. Distill the idea into an elevator pitch. Try this exercise: get your business case down to one sentence. If you can’t explain it any more simply than that, your business case might not be as memorable as it needs to be to sway decision-makers. Use analogies to drive the point home. Let’s say you discovered a problem in a growing business. Overall, revenues are good — but you’ve noticed an associated cost that has the potential to explode in the future and tank the business. But it’s not compelling to use dollars and cents when the business is doing so well. Instead, consider introducing the business case with a simple analogy: “Without repair, every leaky boat eventually sinks.” You now have their attention. Use the numbers to drive the point home, but not to make the point. If you’re presenting a business case to decision-makers, remember that it’s not only the logic of your argument that will convince people — it’s how persuasive you can be. Business case checklist Before you can check “learn how to write a business case” off your list, you have to know the essentials. Make sure you include the following elements in your business case checklist (and, of course, your business case itself): Reasons. This should be the most compelling part of your business case. You can tell a story here. And the most compelling stories start with a loss or a complication of some sort. What is the threat to the business that needs remedy? What are the reasons for moving forward? Potential courses of action. It’s not a complete story until we know the next chapter. A business case isn’t just about the problem — it’s about rectifying a problem through the solution. Recommend a few specific courses of action to help spur discussion about what to do next. Risks and benefits. Not every solution is going to be perfectly clean. There are going to be solutions with downsides. There are going to be costs along with the benefits. Make sure to include each of these to give a clear and complete picture. This is the time to manage expectations — but also the time to inspire action. Cost. What’s it going to cost to complete the project? The people making the decisions need to know the bottom line figure to assess which business cases to prioritize. Timeline. A good project isn’t only measured in dollars but in days, weeks, and months. What is the expected timeline for the business case? How quickly can the problem meet its solution?  With every business case, specificity is key. A vague timeline won’t help — a timeline with specific weekly milestones looks more achievable. To make your business case more compelling, always look for the specific details that tie your story together. Business case template A business case template is a document that outlines the key elements of a business case in a structured format. By using a standardized template, companies can ensure that all relevant information is captured and shared in a clear and consistent manner. Depending on the size of your business and the scope of your project, your business case template can be as detailed or as simple as you like. For a smaller project, you can use a one-pager to get started, detailing the main points of your project, which include: Executive summary: An overview of your project, its goals, and the benefits of completing it for your business Team and stakeholders: A list of the relevant people involved in your project, and their contact information SWOT analysis: An analysis of how your strengths, weaknesses, opportunities, and threats weigh up against your competitors Risk analysis: An overview of the kind of risks that are involved with your project and how you may avoid them Budget and financial plan: Details of your budget and where you may secure financing for your project Project plan: A schedule of how you plan to implement your project and what tasks are involved Let's see what that might look like. Executive summary   Team and stakeholders   SWOT analysis   Risk analysis   Budget   Project plan   How to write a business case with Wrike Wrike’s project management software can step in and turn a business case from the seedling of an idea to a full-fledged initiative.  The requirements management pre-built template can help you document and track project requirements in a structured manner. The template includes sections for capturing stakeholder requirements and business cases, as well as any constraints that may affect the project’s success. By using this template, you can ensure that all necessary requirements are identified and that potential issues are addressed early in the project planning process. If you want to move from the business case description to the actual implementation faster, consider using the project scheduling template. This template can help you create a detailed project timeline with milestones, identify task dependencies, and assign resources. By utilizing this template, you can ensure that the project is realistically achievable and meets all business needs, giving stakeholders confidence in the project’s success.

Tips for Conducting a SWOT Analysis in Project Management
Project Management 7 min read

Tips for Conducting a SWOT Analysis in Project Management

How can SWOT analysis in project management help your next initiative? Learn more about the purpose of SWOT and how it can improve your projects today.

What Is a Burn Up Chart?
Project Management 7 min read

What Is a Burn Up Chart?

A burn up chart is a visual way to measure progress and team schedules. Learn how to create one and plot the points on an Agile burn up chart with Wrike.

What Is Float in Project Management?
Project Management 5 min read

What Is Float in Project Management?

Project management float is useful for managing task timelines. Learn how to calculate float in project management with Wrike.

Demystifying the PMBOK Process Groups
Project Management 7 min read

Demystifying the PMBOK Process Groups

PMBOK process groups are a useful and an effective way of leading project management. Find out all about PMBOK process groups and knowledge areas with Wrike.

What Is a PMO? (Guide & Infographic)
Project Management 10 min read

What Is a PMO? (Guide & Infographic)

What is a PMO? A “project management office” is defined as an internal or external group that defines and maintains project management standards.

Everything You Need to Know About Rough Order of Magnitude (ROM) Estimates
Project Management 10 min read

Everything You Need to Know About Rough Order of Magnitude (ROM) Estimates

A rough order of magnitude estimate, also known as ROM, is an estimation of a project’s level of effort and cost to complete. ROM estimates take place early in a project life cycle and guide strategy and planning choices. In this article, you’ll learn more about ROM estimates and how they are used in project management. Plus, keep reading to discover examples and how Wrike could be used to assist in creating a template for your own rough order of magnitude.  What is the rough order of magnitude? A rough order of magnitude estimate is a general estimate of a project's level of effort and cost. It's usually performed during the selection and approval stage of a project. Generally, it’s used for estimating a project budget that doesn’t have a lot of detail.  Project estimating is a vital aspect of project management because it helps determine the total budget for the project and whether or not it’s feasible companywide. It also helps keep track of the project's milestones and budget at the very beginning (more on that later).  A rough order of magnitude is most commonly used for project screening. ROM is typically meant to be given to executives who need a high-level overview of how much work might cost. This is especially helpful when they don’t yet have the mandate to do a deep dive into the scope and requirements of the work.  Comparing the ROMs of different projects helps identify which projects should be prioritized and which ones should be shelved. It can also help uncover and prevent scope creep later on.  This tool also helps decision-makers at other levels of the organization make informed choices regarding the project's complexity and costs. That information is critical for proper scope planning before project kickoff. It’s important to know that a ROM estimate is often used for information purposes at the beginning of a project and it’s suitable for use for the lifetime of the project.  How to make a rough order of magnitude estimate Estimating a ROM is often thought of as an art. They are quick to make, but the trick is learning how to make them well.  Those who are more experienced in coming up with these estimates may have their own way of executing this process. Regardless of how well you understand the rough order of magnitude, it is important to consider the various factors involved in developing one. These include:  A guesstimate range of what resources the project will require based on the information you have on hand Opinions from experts and/or higher-ups who hold a stake in the project A variance of at least -25% to +75% Keep in mind that, when calculating ROM, the goal is to provide a rough estimate that is largely accurate even if it’s not necessarily convenient for your plans. By this, we mean you may find it tempting to choose figures on the more conservative side in order to achieve a more desirable outcome.  Unfortunately, using inaccurate stats defeats the entire point of creating the estimation in the first place. Great research can help illuminate areas of your rough order of magnitude estimate where it may be tempting to let bias enter into the equation.  All that being said, a ROM estimate's variance is not significant enough to deter you from creating one. A ROM estimate provides a starting point for moving forward in much the same way a budget estimate is also used to determine your base. For example, instead of just presenting single-point estimates, managers should present budgets as a range. Remember: the estimate is derived from the available information. If information is missing, you’ll have to make do with what you do know for sure and move forward from there.  In fact, you can expect to improve the estimate as the project moves forward. During the planning and implementation phases, the requirements and information will be refined. As you go along, you’ll learn through trial and error what the reality of the project actually is.  Rough order of magnitude techniques One technique for creating a rough order of magnitude estimate is known as a definitive estimate. A definitive estimate is a technique that involves estimating an individual project phase or task's level of effort. Planning with this information upfront makes it easier to plot out workloads on visual charts while keeping your team on the same page.  This step typically takes a number of hours to complete, but it is a successful way to get an accurate idea of the time and cost of any project.  Other popular techniques and procedures for estimating costs include PERT time estimation, COCOMO, and function point analysis. Program Evaluation Review Technique (PERT) PERT charts are used to plan out tasks that will take a certain amount of time to complete. They can also be used to coordinate team members. Constructive Cost Model (COCOMO)COCOMO is a regression model that can be used for estimating the various factors involved in tech and software project management. It is typically used for estimating the size, effort, cost, and quality of a project. Function Point Analysis (FPA)Function Point Analysis is a method of estimating a company's clear business significance. It helps in the evaluation, management, and control of software development. When estimating ROM, it is best to try and estimate in buckets of time and costs. Doing so helps minimize the number of, well, numbers that are required to provide a complete and accurate estimate.  Rough order of magnitude examples There are two ways to think about estimating ROM. You can create effort ranges or buckets with approximate figures that any task can fit into. Alternatively, you can use historical data to guide decision-making. Here are some hypothetical rough order of magnitude examples:  Creating buckets In this example, a project manager will define effort ranges such as small, medium, and large. Within each range is a total number of hours, personnel, and/or budget needed for tasks that fall in that category. For example, a small bucket may indicate that a task will take two to four hours and is relatively simple or affordable to complete. It all depends on the specific project.  Here is a very simple example. Let's say you're considering eating a sandwich for lunch. You know that tasks such as spreading peanut butter and jelly onto two slices of bread would fall into the small category — low effort, low time, and perhaps even a single knife instead of two.  However, if you noticed that you're currently out of bread and you know it would take 20 minutes to drive to the store, that task would fall into the medium category because it would take considerably more resources to complete when compared to the spreading task. Historical data Historical data means pulling information from past projects. These projects may have similar tasks, goals, or outlines. This information is good to have on hand in your project management solution.  You can use data from projects that didn't go as well as you'd hoped in order to refrain from repeating his mistakes. You can also use data from projects that went above expectations to see where you can replicate those choices here. Let’s continue with our sandwich example. You may have found that in the past when you were craving peanut butter and jelly, it was worth it to you to make the drive. In fact, it also allowed you to run several other errands (a.k.a. projects) at the grocery store.  Based on this historical data, you may find that, despite the effort involved, the payoff was worth it in the end. So choosing this path again will be profitable. First-hand experience First-hand experience refers to how experienced the person creating the rough order of magnitude is in this particular field, project type, or as a project manager in general. An expert who understands project management will likely come up with a more accurate ROM than someone on their first day of work.  First-hand experience is valuable because you have plenty of anecdotal evidence to back up your estimations from other related projects. It's also helpful because it allows planners to be intuitive about the process and consider the people involved. For example, you may find that a particular supplier often experiences delays. Although the supplier representative promises otherwise, you've seen it happen time and time again. Knowing this, you can factor that into your rough order of magnitude. Now we’ve come full circle with our peanut butter and jelly project. You may have learned from first-hand experience that, despite your intense craving for it, these sandwiches aren't actually worth it for you.  You may even have regretted eating them right after you finished and wished you’d opted for a turkey sandwich instead. Knowing this, you may draft an estimate that confirms the amount of resources and effort needed will not have the ROI expected and it would be better to not move forward with it after all.  This information isn’t something you can necessarily track with a report. It’s simply a memory of what you’ve experienced in the past. Using this knowledge will help you make better, more informed decisions in your ROM with information you can’t find elsewhere.  How to use ROM in project management Project estimation techniques help managers identify the most critical elements of a project and provide them with accurate estimates. These techniques can also be used to plan for resource allocation.  It is important that you have an estimate in place before you start a project. Without an estimate, you may not know how long it will take or what resources will be needed. Cost is often one of the most challenging constraints in project management. Having enough money to complete the project is one of the most critical factors in managing it. Creating a ROM will help you understand whether or not it’s financially viable before you even begin.  Another key component of a project is time. Having the ability to determine the duration of the work and when specific tasks will take place is very important to project planning. By estimating your project schedule, you can arrange for the people and resources that you need when they are needed. It also allows you to set expectations for the clients. You can create a rough order of magnitude for any project. But there are several project management situations in which it may be necessary to come up with a ballpark idea of what resources will be needed:  Larger than normal projects where you will need to provide more detailed information about the project  Projects that involve teams across different countries where there may be varying costs and exchange rates Projects that are customized to the client or unique to your team where the product or service is innovative and the scope of the project is being managed through Agile project management methods Even if your project doesn’t fall into one of these categories, a ROM can be used to determine whether or not it’s viable. This is helpful when you’ve got limited resources and more than one project to choose between.  Using Wrike to create a rough order of magnitude template Wrike is a project management tool that streamlines the process of organizing, creating, and coordinating a rough order of magnitude.  First, start by checking for any historical data from relevant projects you’ve successfully completed. All Wrike users have access to their own detailed project reports. If you have historical data, you can go straight to a more detailed cost figure. It will give you a more accurate and detailed estimate. If you don’t, continue creating your ROM.  Then, start breaking the big components of the project down into smaller pieces. Some planners use the top-down approach or the bottom-up approach, both of which can be accomplished with the help of Wrike.  A top-down estimating technique breaks down a project into discrete phases and tasks. This method works by estimating the overall time for the project, as well as the phases and work tasks that will be completed within that time frame. If a client tells you that the project has to be done in six months, a top-up approach allows you to estimate how much time you can dedicate to each activity within the project. A bottom-up estimate is a technique that works by estimating multiple tasks and aspects of a project. This step-by-step process combines the various estimates into one final project estimate. In project management, orders of magnitude are typically referred to as broad-brush categorizations of sizes. So use a range when adding in timelines for individual phases and expenses.  Tip: don’t forget about project costs spent preparing the ROM and the project management itself. This will take up about 20% of your estimated total time allotted to the project.  Next, go above and beyond by using Wrike to calculate risk. Project risk is a set of events that could significantly affect the quality or schedule of a project. It can be triggered by various factors such as unforeseen delays, budget cuts, and legal issues. By estimating the risks involved in a project, you can plan for how those risks will affect the project and develop a risk management strategy later on if you feel that the ROM is convincing enough to adopt the project.  Tip: If you’re stuck, talk to your finance department to see if they can help you get a better idea of what things cost. Finally, consider what project planning may look like. Project planning for Agile projects is usually done in phases, with estimates being created initially before the beginning of the sprint. These estimates are then updated during the sprint. Estimation can also happen during a sprint retrospective, where you update the backlog based on the outcomes of the previous sprints. It can also be done during the sprint planning session. The project team is responsible for estimating projects and managing the estimates. They are also involved in the development of the project's documents and databases.  Having one central hub for all project estimates makes it easier to organize and communicate your vision and ROM results.  As you progress through the project, you should start to produce smaller ranges for accuracy. Over time you will reach a cap for each category that is both realistic and attainable. As the project details become more detailed, the accuracy of the ROM estimates decreases until they are no longer accurate. In conclusion The more data you have about your project, the better it is to draft current project estimates. A project estimation tool can help you build up estimates and track against actuals. It can also help you improve your estimates by recording errors and lessons learned. Discover how Wrike can help you improve your planning and execution with our free trial.

What Are Project Assumptions?
Project Management 5 min read

What Are Project Assumptions?

What are project assumptions? Assumptions in project management can help guide and influence client expectations. Learn how with Wrike.

What Is a Risk Register in Project Management?
Project Management 7 min read

What Is a Risk Register in Project Management?

Create an effective project risk register that identifies and tracks project risks — from data breaches to supply chain disruptions and catastrophic events.

What Is a Use Case?
Project Management 7 min read

What Is a Use Case?

What is a use case, and how can it help you align technical and business stakeholders? Learn more about how to write a use case with Wrike.

Project Scope Statement How-To Guide
Project Management 7 min read

Project Scope Statement How-To Guide

Learn how to write a scope document that avoids scope creep and ensures project alignment. Craft your scope of work document with Wrike.

Mind Maps: How-to Guide With Examples
Collaboration 7 min read

Mind Maps: How-to Guide With Examples

What is a mind map? A highly effective tool to spark inspiring ideas. In this guide, we explain how to make a mind map and give useful mind mapping examples.

What Is a Project Communication Plan?
Project Management 7 min read

What Is a Project Communication Plan?

What is a project communication plan and how can it improve client relationships? Learn more with Wrike’s communication plan example and template.