Nick Jenkins
Jul 3, 2018 · 1 min read

Perhaps it was your use of “economic” — if you meant “efficient” it would have been a better word to use. An economic model would be mathematical by definition.

Similarly, Lean (with a capital L) doesn’t mean “without fat” — it is a rich philosophy that espouses much more than reduction based on cost.

And I accuse you of misrepresenting the conclusions of the article because you have. The article says 1. it did find evidence of test-first delivering less complex, highly tested code and 2. that it *didn’t* find evidence of improved cohesion and lowered coupling. That doesn’t mean the latter is not true — simply that it couldn’t be proved. Your sentence preceding the link is “There is some empirical evidence that suggests Test Driven Development (TDD) *does not* improve code quality (such as coupling or cohesion metrics).”

How do I know what you think? By the way you have structured your argument. I’d happily provide counter arguments but first we have to deal with the inconsistencies in yours.

    Nick Jenkins

    Written by

    A thinker, writer and consultant with a passion for things Lean & Agile : www.nickjenkins.net

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