The SEI helps advance software engineering principles and practices and serves as a national resource in software engineering, computer security, and process improvement. The SEI works closely with defense and government organizations, industry, and academia to continually improve software-intensive systems. Its core purpose is to help organizations improve their software engineering capabilities and develop or acquire the right software, defect free, within budget and on time, every time.
This article describes a tradeoff analysis that can be done to select a suitable requirements elicitation method and the results of trying three methods in some case studies. It is a companion to the requirements elicitation introduction.