http://www.cs.toronto.edu/~gvwilson/reading/gupta-effectiveness-tdd.pdf
Kind of a hokey paper that describes an ethnographic study done in India comparing up-front design-code process to test driven development. Related work shows that a) tdd is more efficient, b) tdd is less efficient, and c) there is no difference, so it seems clear that there is still debate over this issue. This paper presents evidence (not vast amounts, just more ammunition for the debate) in support of TDD, ultimately coming to the conclusion that developers will probably prefer a modified version of TDD, in which more design is done up front, but still using the test-code-refactor waltz.
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