Just-in-Time (JIT) Modeling

Correct Answer: Models are created and updated when they add value to the current development effort

In Disciplined Agile, JIT Modeling is characterized by creating and updating models only when they provide value to the current development effort. This approach aligns with agile principles of maximizing value and minimizing waste. The correct answer reflects the lean thinking that underpins Disciplined Agile, where work is done at the last responsible moment and only when it adds value. Other options are incorrect because: - Creating extensive models during initial planning contradicts agile principles and can lead to waste as requirements evolve - Following a predefined schedule for modeling does not align with the adaptive nature of agile and may result in unnecessary work - Limiting modeling to only the architecture phase is too restrictive and does not support the iterative nature of agile development JIT Modeling emphasizes pragmatism and value delivery, ensuring that modeling activities support rather than hinder development progress.

Correct Answer: To create models when they add value to the current work being performed

Just-in-Time (JIT) Modeling in Disciplined Agile is focused on creating models only when they provide value to the current work being performed. This approach aligns with agile principles of delivering value and minimizing waste. The correct answer reflects the true essence of JIT Modeling - creating models at the moment they're needed and only if they add value to the current work. The other options are incorrect because: - Creating comprehensive models before development begins contradicts agile principles and creates unnecessary upfront work - Detailed documentation of all requirements upfront is a waterfall approach and goes against agile values - Following strict organizational modeling standards focuses on process over value, which contradicts the flexibility needed in agile approaches JIT Modeling emphasizes pragmatic, value-driven modeling that supports current development needs rather than creating unnecessary documentation or following rigid standards.

Correct Answer: It reduces waste by creating models when they add value to current work

In Disciplined Agile, JIT Modeling means creating models only when they provide value to the current work being performed. This approach aligns with lean principles by eliminating unnecessary work and documentation. The correct answer emphasizes reducing waste by creating models only when they add value, which is a core principle of both Disciplined Agile and lean thinking. Other options are incorrect because: - Creating comprehensive documentation upfront contradicts the agile principle of lightweight documentation and responding to change - Creating all models at the start of each sprint is wasteful and doesn't align with the JIT principle of creating artifacts only when needed - Building detailed technical models for reference throughout the project lifecycle suggests a waterfall-like approach that creates unnecessary documentation