Match each of the key terms with the definition that best fits it.

____________ A family of development methodologies characterized by short iterative cycles and extensive testing; active involvement of users for establishing, prioritizing, and verifying requirements; and a focus on small teams of talented, experienced programmers.

Here are the key terms from the appendix. The page where each term is first explained is in parentheses after the term.

1. Agile Methodologies 

2. Refactoring

3. Simple design