I'm looking for a reference to the following. I commonly hear that one-third of a projects time will be spent in design, one-third in implementation, and one-third in testing. The three phases of development seems to be derived from the waterfall model. But, where did the time division originate (1/3, 1/3, 1/3)? Is there a paper or book that this is from?
- Anybody can ask a question
- Anybody can answer
- The best answers are voted up and rise to the top
migrated from stackoverflow.com Dec 10 '12 at 6:37
This question came from our site for professional and enthusiast programmers.
The rule of thumb you're describing sounds extremely similar to Brooks' rule of thumb, as presented in the Mythical Man-Month:
I don't know where exactly your rule of thumb comes from, but it certainly looks like a derivative of Brooks' rule of thumb.