Systems that meet relatively small numbers of requirements will usually give people most of what they need. (If not most of what they want.) But people, many of whom should know better, insist on having it all, and thus doom themselves to building systems that fail. Either the systems are built and do not perform to expectations, or they never get finished. Why is this so, and how can people be brought to appreciate the “requirements trap”? The problem exists because: Full article
Evaluation Uncertainty 