Identify and briefly describe two techniques used by eXtreme Programming to continually improve the quality of the design

What will be an ideal response?

Simple design and refactoring are the two techniques identified in the textbook. Simple design refers to the creation of uncomplicated software and software components that work to solve the current problem rather than creating complicated software designed for a future that may not come. Refactoring is the process of making a program simpler after adding a new feature.
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