Instead of making one big, fixed plan for change, what method involves making small tests and constant tweaks as new information comes in?

The method described is Iterative and Incremental Development. This approach breaks down a large, overarching change or project into smaller, manageable components called increments, and then develops these increments through repeated cycles called iterations. Each increment represents a small, functional piece of the overall change, designed to deliver immediate value and allow for early evaluation. For example, instead of building an entire complex software system at once, an increment might be a single, core feature that users can test. A....