What iterative development method incorporates features from both prototyping and waterfall methods?

The Spiral Method is recognized for its unique approach that combines elements of both prototyping and the waterfall model, making it particularly effective for complex and high-risk software projects. It begins with the initial phases of the waterfall model, which involves requirements gathering, system design, and early integration, but it also emphasizes iterative development through continuous refinement and feedback loops.

In the Spiral Method, each iteration includes four key phases: planning, risk analysis, engineering, and evaluation. This cyclical structure allows developers to assess potential risks and adjust the system design based on continuous user input. By incorporating these elements, the Spiral Method effectively balances the structured approach of traditional waterfall processes with the flexibility and adaptability of prototyping, allowing for adjustments based on user feedback and changing requirements throughout the development lifecycle.

This iterative approach helps to manage risks and increases the chances of project success while allowing for the early identification of potential issues in the design or functionality.