We use a process called commonality analysis to … [p. 190] Its result is a document, … whose key parts include 1. A dictionary of … 2. A list of assumptions that are true … [the "commonalities"] … 3. A list of assumptions about what can … [the "variabilities"] … 4. A list of parameters that define, for … a value must be fixed when specifying a … 5. A list of issues
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