Which of the following is not one of the principles of agile software development method?
Following the plan
Understanding Agile Software Development Principles
Agile software development is an approach that values flexibility, collaboration, and rapid delivery. It differs significantly from traditional, plan-driven methodologies by emphasizing adaptability over strict adherence to a fixed plan.
Identifying Non-Agile Principle
The question asks which option is not one of the principles of agile software development. Let's examine each option in the context of agile principles.
| Option | Alignment with Agile Principles |
|---|---|
| Following the plan | Traditional methodologies often prioritize sticking to a detailed, upfront plan. Agile, however, emphasizes responding to change over following a plan. While planning happens, it's iterative and adapts as needed. Therefore, rigid 'following the plan' is contradictory to agile's core value of flexibility. |
| Embrace change | One of the core tenets of the Agile Manifesto is welcoming changing requirements, even late in development. Agile processes harness change for the customer's competitive advantage. This is a fundamental agile principle. |
| Customer involvement | Agile methodologies strongly advocate for continuous interaction between the development team and business stakeholders or customers. This ensures the product being built aligns with customer needs and provides valuable feedback loops. This is a key agile principle. |
| Incremental delivery | Agile projects deliver working software frequently, typically in short iterations (sprints). This provides tangible results early and often, allowing for feedback and adaptation. This is a fundamental agile principle. |
Based on the analysis, the principle that does not align with agile software development is "Following the plan". Agile values adaptability and responding to change more than strictly adhering to a predefined plan.
Core Values of the Agile Manifesto
To further clarify, the Agile Manifesto for Software Development lists four core values:
- Individuals and interactions over processes and tools
- Working software over comprehensive documentation
- Customer collaboration over contract negotiation
- Responding to change over following a plan
These values guide the twelve supporting principles of agile development.
Detailed Explanation of Agile Principles
Let's look closer at why the correct option is not an agile principle and why the others are:
- Following the Plan: In traditional "waterfall" methodologies, a detailed plan is created upfront, and the project aims to follow this plan as closely as possible. Changes are often costly and difficult to incorporate. Agile, in contrast, recognizes that requirements can change and new information emerges during development. It builds processes that are flexible enough to accommodate these changes efficiently, making "responding to change" a priority over strict "following the plan".
- Embrace Change: As mentioned, agile explicitly welcomes change. It views change not as a disruption but as an opportunity to deliver better value to the customer by adapting to their evolving needs or market conditions.
- Customer Involvement: Agile methodologies emphasize close, daily collaboration between developers and business people. This constant interaction ensures that the team is building the right product and that the customer's vision is being realized throughout the project lifecycle.
- Incremental Delivery: Instead of delivering a complete product at the very end, agile delivers working software in small increments. Each increment is a potentially shippable product. This allows customers to see progress, provide feedback, and get value sooner.
Therefore, "Following the plan" stands in contrast to the fundamental agile principle of "Responding to change".
Revision Table: Agile vs. Traditional
| Characteristic | Agile Approach | Traditional (e.g., Waterfall) |
|---|---|---|
| Planning | Iterative and adaptable | Detailed and upfront |
| Response to Change | Welcomed, integrated | Avoided, costly |
| Customer Role | Continuous collaboration | Involved primarily at start/end |
| Delivery | Frequent, incremental | Single, final delivery |
| Focus | Working software, responding to change | Comprehensive documentation, following the plan |
Additional Information: The Twelve Principles
The Agile Manifesto is supported by twelve principles. Here are a few key ones relevant to this discussion:
- Our highest priority is to satisfy the customer through early and continuous delivery of valuable software. (Related to Incremental Delivery)
- Welcome changing requirements, even late in development. Agile processes harness change for the customer's competitive advantage. (Related to Embrace Change)
- Business people and developers must work together daily throughout the project. (Related to Customer Involvement)
- Deliver working software frequently, from a couple of weeks to a couple of months, with a preference to the shorter timescale. (Related to Incremental Delivery)
The principle of "Responding to change over following a plan" is one of the core values and is embodied by several of the twelve principles.
Important Questions from Software Development Models
Which of the following statements is/are correct regarding code walk-through in software development?
I. It is an informal technique for analyzing code.
II. It is performed just before coding the module.
The process of compiling an intermediate language program into actual machine language on the target platform before execution is known as _______.
I. Just-in-time compiling
II. first-in-time compiling
The model in which the requirements are implemented by its category is
RAD software process model stands for
Arrange the following types of Cohesion from best to worst type.
(A) Logical Cohesion
(B) Sequential Cohesion
(C) Communication Cohesion
(D) Temporal Cohesion
(E) Procedural Cohesion
Choose the correct answer from the options given below:
