3. What’s Wrong with This Model?
Software’s Waterfall ModelAfter Royce [1970], “Managing the development of large software systems,” and Boehm [1988], “A spiral model of software development and enhancement.” Royce © 1970 IEEE. Boehm © 1988 IEEE.
Sometimes the problem is to discover what the problem is.
GORDON GLEGG [1969], THE DESIGN OF DESIGN
A designer makes things. ... Typically his making process is complex. There are more variables—kinds of possible moves, norms, and interrelationships of these—than can be represented in a finite model.
DONALD A. SCHÖN [1984],THE REFLECTIVE PRACTITIONER
In fact, every designer will recognize the Rational ...
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