Project success and project failure are NOT absolutes. It may not be possible to be a little bit pregnant, but you can be a little bit successful. Every project has multiple success criteria related to business results, product/service results,...
Assuming an iteration between two and four weeks:
1) Programmers will write unit tests in the code to ensure product technically behaves. The team will perform QA activities to ensure these are valid tests.
2) In the iteration planning meeting and...