But the practices suffer. Again, I am frustrated with how to gather requirements without knowing the jobs it will supplement as well as the user. Calif. State Univ. I've seen several papers reporting that early SQA can improve the density of defects significantly with out significant loss or gain in productivity. But like all experiments and analyses of production data, Your Mileage May Vary.
Different situations have different quality requirements.
He doesn't give any data for this being the tradeoff point. Copy freely but say where it came from. I have nothing to sell, and I'm giving it away. Unfortunately in most companies IT is a joke. I am just not sure it is given a fair chance for success in most cases.