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Scrum

What is scrum?

Scrum is an agile framework that enables teams to deliver complex projects incrementally and iteratively through collaboration, regular inspection, and continuous adaptation. It's based on the idea of breaking work down into short, focused cycles called sprints. Each sprint typically lasts 1-4 weeks, allowing teams to deliver shippable pieces of the product regularly, gather feedback, and adapt quickly to changes in requirements.

Scrum emphasizes self-organizing agile teams, transparency, and continuous improvement. It uses a few key roles (product owner, scrum master, and development teams), artifacts (like the product backlog and sprint backlog), and events (such as sprint planning, daily scrums, sprint review, and sprint retrospective) to provide a structured approach for delivering value while constantly learning and evolving.

How does scrum work?

Scrum is an agile project management framework that breaks down complex projects into manageable chunks and delivers them in short, time-boxed iterations. Here's a closer look at how the scrum process works:

Core concepts of scrum:

  • Iterative development: Scrum breaks projects into short, focused cycles called "Sprints" (typically 2-4 weeks long), allowing for continuous improvement and adaptation.
  • Empiricism: Scrum emphasizes learning from experience. Teams inspect progress frequently and adapt their plans accordingly.
  • Self-organization: Scrum teams are empowered to take ownership and decide how best to achieve their goals.

Scrum roles:

  • Product owner: Represents the project's stakeholders and defines its vision. They prioritize the work in the product backlog.
  • Scrum master: Acts as a facilitator and coach for the team, removing obstacles and confirming scrum practices are followed.
  • Development team: A cross-functional group of individuals responsible for building the product. Development teams are self-organizing and determine how to accomplish the work within a sprint.

Scrum artifacts:

  • Product backlog: A constantly evolving, prioritized list of everything the product needs (features, bug fixes, etc.). 
  • Sprint backlog: A subset of the product backlog selected for the current sprint. It includes a plan for how the team will deliver the sprint goal.
  • Product increment: The potentially shippable piece of functionality produced in each sprint.

Scrum events:

  • Sprint planning: The team discusses what can be achieved in the next sprint and how it will be done.
  • Daily scrum: A short (15-minute) daily standup meeting where the team syncs up, reports progress and highlights any roadblocks.
  • Sprint review: At the end of a sprint, the team demonstrates completed work to stakeholders and gets feedback.
  • Sprint retrospective: The team inspects how the last sprint went and identifies potential improvements for the next one.

The flow:

  • Vision to backlog: The product owner creates the product backlog.
  • Sprint planning: The team selects items from the product backlog for the upcoming sprint and creates the sprint backlog.
  • Sprint execution: The development team works on delivering the sprint goal. Daily scrums help track progress.
  • Sprint review: The team presents the product increment from Sprint and gathers feedback.
  • Sprint retrospective: The team reflects on and improvement plans.
  • Repeat: The cycle continues with the next sprint.

What are the benefits of scrum?

From increased productivity and better team collaboration to improved quality of the final product, scrum has a lot to offer to businesses and teams of all sizes.

  • Adaptability: Scrum's iterative approach allows teams to quickly adapt to changing requirements, feedback, and market conditions.
  • Increased transparency: Regular scrums, sprint reviews, and the visibility of the backlog make progress transparent to everyone. This results in better communication and alignment between the team and stakeholders.
  • Early & frequent value delivery: By breaking the project into sprints, scrum allows teams to deliver working increments of the product frequently, allowing for early testing and valuable stakeholder feedback.
  • Improved quality: Short sprints provide the opportunity for frequent inspection and testing, leading to the early identification and resolution of issues.
  • Enhanced customer satisfaction: Continuous feedback loops guarantee the team is building a product that aligns with customer needs.
  • Risk minimization: Early feedback and adaptation within scrum help mitigate risks throughout the project.
  • Team empowerment: Scrum promotes self-organizing teams, increasing motivation, ownership, and productivity.
  • Continuous improvement: Retrospectives at the end of each Sprint encourage teams to continuously learn and improve their processes.

What are the shortcomings/challenges of scrum?

Scrum is a popular framework for managing and completing complex projects, but it comes with its fair share of challenges. From resistance to change to a lack of understanding among team members, several common stumbling blocks can hinder the successful implementation of Scrum. 

  • Requires experienced teams: Scrum thrives on self-organization and cross-functional skills. A scrum team that lacks experience with agile methodologies or specific technical expertise might struggle initially.
  • Potential for scope creep: The flexibility to adapt can lead to poorly managed changes and requests mid-sprint, resulting in the disruption of planned goals.
  • Difficult to master: While Scrum's rules seem simple, true mastery takes time and dedicated effort. Teams can fall into the trap of "doing Scrum" mechanically without understanding scrum values or its underlying principles.
  • Demands strong commitment: The full benefits of Scrum require buy-in and active participation from the team, the product owner, and management. Resistance to change or inconsistent involvement can hinder success.
  • Not suitable for every project: Scrum is best suited for projects with some level of complexity and uncertainty, especially those in software development. A more traditional waterfall approach might be more efficient for very straightforward projects with well-defined requirements.
  • Can be disruptive: The shift to agile methodologies and Scrum can create initial disruption in an organization, particularly if it clashes with existing processes or culture.

What are some scrum best practices?

If you're looking to unlock the full potential of scrum and want your team to work in a more agile and efficient manner, then implementing the following best practices can help you achieve your goals and deliver successful outcomes.

Roles & responsibilities

  • Clear definitions: Make sure all scrum team members understand the different roles and how they work together. This avoids confusion and promotes effective collaboration.
  • Empowerment & trust: Trust your team to be self-organizing. Resist micromanaging and empower them to take ownership of their work and proactively manage their projects and communications.

Planning & prioritization

  • Collaborative sprint planning: Actively involve the entire team in planning sessions. This promotes shared understanding and commitment to the sprint goal.
  • Realistic backlogs: Break down work into small, achievable items to avoid overly ambitious sprints.
  • Continuous refinement: Regularly review and update the product backlog with the product owner to maintain prioritization and guarantee it reflects changing needs for future sprints.

Focus & execution

  • Time-boxed sprints: Stick to the agreed-upon sprint length (1-4 weeks) to create a sense of urgency and focus.
  • Minimal disruptions: Protect the team during sprints. Shield them from external distractions and limit scope changes within a sprint unless absolutely critical.

Communication & transparency

  • Daily Scrums: Keep them short, focused on unblocking progress, and avoid turning them into problem-solving sessions.
  • Information radiators: Use physical or digital boards to make work visible (backlogs, burndown charts, etc.). 

Continuous improvement

  • Dedicated retrospectives: Hold honest retrospectives after each sprint. Focus on actionable improvements, not just venting frustrations.
  • Experimentation: Be open to trying new techniques and adapting processes as the team learns. Don't become overly rigid about "pure" scrum.

Agile vs Scrum: What's the difference?

If you're new to agile methodologies, you might be wondering what sets Scrum apart from the rest. Well, to put it simply, scrum is a subset of agile that focuses on iterative and collaborative teamwork, with a strong emphasis on delivering a working product incrementally and regularly. 

Here's a breakdown of the key differences between agile and scrum:

Agile

  • Philosophy: Agile is a broad project management philosophy that emphasizes iterative development, flexibility, customer collaboration, and the ability to adapt to change.
  • Principles: Agile is guided by the Agile Manifesto, which outlines values like: some text
    • Individuals and interactions over processes and tools
    • Working software over comprehensive documentation
    • Customer collaboration over contract negotiation
    • Responding to change by following a plan
  • Variety of methodologies: Agile is an umbrella term that encompasses several different methodologies, including scrum, kanban, Extreme Programming (XP), and others.

Scrum

  • Framework: Scrum is a specific agile framework that provides a structured way to implement agile principles.
  • Prescriptive: Scrum defines specific roles (product owner, scrum master, scrum development team), events (sprint planning, daily scrum, etc.), and artifacts (product backlog, sprint backlog).
  • Focus on delivery: Scrum is designed to deliver working pieces of the product incrementally in short sprints, promoting early feedback and rapid adjustment.

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