University of Glamorgan

Closing thoughts

Proponents of the waterfall approach, RAD and extreme programming all desire to improve the quality of their products. Don't dismiss any of them as mere "hacking", "stick in the mud" or whatever. The differences in approaches are a result of what they mean by "quality"!

And finally...

1. What is the difference between a stage and a phase?



2. Why do we use stages?



3. Why do we use phases?



4. Draw diagrams of the waterfall and RAD approaches to project planning



5. What are the different views of "quality" held by waterfall, RAD and extreme programming proponents?

Do all changes result from defects/errors?



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