+ Top down and Bottom up: In other words, work out "What is wanted" and "What is possible".
+ Over 20 Quality control innovations exist, use at least 1/2 of them.
+ Over 20 Quality control innovations exist, use at least 1/2 of them.
[0]http://www.joelonsoftware.com/articles/fog0000000043.html
Edit: It is worth understanding "bugs removed per hour". Every quality control "innovation", has a bug removal rate and will improve the end product, or should do. The bug removal rate, is a calculation you can do. ... But I like to learn by doing, so the above exercises helped me understand.