6 minute read
Team reflection on how to be more effective
Test-Driven Development (TDD)
One of the most extensively used subsets of Agile methodologies, because it ensures working code and unfailing designs. Sometimes known as “ Test-First Development,” or TFD, TDD was introduced to the IT world by Kent Beck, the famous creator of XP. As such, this methodology is considerably influenced by the “test-first programming ” approach of XP. Test-Driven Development is a software development method that involves writing automated test code first and developing the least amount of code necessary to pass that test later.
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DYNAMIC SYSTEMS DEVELOPMENT METHODS (DSDM)
Dynamic Systems Development Method was introduced in 1994 as a possible solution to the unstructured Rapid Application Development (RAD). DSDM closely follows iterative and incremental approach, which is the hallmark of Agile methodology. DSDM sets cost, quality, and time at the outset, and adjusts the project deliverables to meet the set criteria by prioritizing the deliverables into musts, shoulds, coulds, and won’t haves (MoSCoW).
FEATURE DRIVEN DEVELOPMENT (FDD)
A balanced amalgamation of the industry-acknowledged best software development practices. FDD operates on the principle of completing a project by breaking it down into small, client-valued functions that can be delivered in less than two weeks’ time. This reflects FDD’s two core principles: software development as a human activity and client-valued functionality.
CRYSTAL
Alistair Cockburn, an Agile pioneer and one of the authors of the Agile Manifesto, introduced a family of development methods popularized as the Crystal methodologies of software development in the early 1990s. According to Cockburn’s definition, Crystal is a family of human-powered, adaptive, ultralight, and “stretch-tofit” software development methodologies.
There are a number of factors that should be considered before a methodology is adopted – we’ve summed them up to help you decide which is more suitable for your project. 1) Many Initial Product Requirements & Strict Regulatory Requirements: If your project has strict regulatory requirements and there is little room to make changes, this will push you toward a Waterfall software development methodology. ✅ Waterfall 2) Few Initial Product & Regulatory Requirements: If your project has few initial requirements and doesn’t need to meet strict regulations, an Agile development methodology will result in project creativity and decreased time to market. ✅ Agile 3) Strict Processes in Place: If you’re in an organization that has strict processes that they have to adhere to, trying to introduce Agile processes cross-functionally could be challenging, and so the Waterfall methodology will be more suitable. ✅ Waterfall 4) Lenient Processes in Place: If your organization doesn’t have strict processes to follow and you have the luxury of being able to work flexibly, then Agile offers enough benefits to introduce the methodology. ✅ Agile
5) High Product Owner Involvement: If the product owner wants to be more hands-on, an Agile development methodology allows for the product owner to be deeply involved. The product owner is a member of the team and is the owner of the product requirements. The product owner ultimately makes all decisions on the scope and the functionality of the product. ✅ Agile 6) Greenfield Product: If your team is trying to build something innovative that does not exist in any form today, these types of projects are served well by an Agile software development methodology. It allows the product owner to discover the project’s features and requirements in an iterative way. ✅ Agile 7) Fixed & Firm Timeline: If the project timeline is fixed and can not be moved, Waterfall will offer a more predictable outcome. ✅ Waterfall 8) Short, Flexible Timeline: If you need to get the project delivered in a short amount of time, Agile is the appropriate choice here where action and getting things built is more important than documentation and process. ✅ Agile
When to Use the Waterfall Methodology
The Waterfall methodology prevails when the project is constrained by cost and/or time, and the requirements and scope are well understood. In these cases, the Waterfall methodology provides a set of processes that are built on the principle of approval of the previous phase. The bottom line is that the Waterfall methodology does a better job at providing a well-defined feature set within a constrained budget or timeline.
When to Use an Agile Methodology
Agile wins the day when the product team is unsure at the onset what needs to be built or they wish to discover what should be built based on adjustments they make along the way. Agile will produce more features in a shorter period of time and also gives the team more flexibility throughout the process so that they can take advantage of opportunities as the project unfolds.
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