Final answer:
The true statement about rapid application development is that it is used during prototyping. It focuses on a quick, iterative process that includes user feedback to refine the system being developed.
Step-by-step explanation:
The correct statement about rapid application development is: A) It is used during prototyping. Rapid Application Development (RAD) is a methodology that emphasizes quick development and iteration of prototypes. During the design process, prototyping is often used alongside testing and refinement, which involves crafting a preliminary version of the system to evaluate design decisions and gather user feedback. This feedback is incorporated into subsequent iterations.
There is a misconception that RAD diminishes the importance of object-oriented programming, but in reality, RAD methodologies can be perfectly aligned with object-oriented practices. Furthermore, RAD generally does not begin development before requirements are defined; rather, it focuses on quickly evolving those requirements through iterative cycles of development. Lastly, RAD encourages user involvement in the development process to ensure the end product meets user needs, meaning it does not allow programmers to determine user interfaces without users' input.