Where can I find statistics / figures on how long testing should / could take?

Posted by NoCarrier on Programmers See other posts from Programmers or by NoCarrier
Published on 2011-01-14T22:18:37Z Indexed on 2011/01/14 22:58 UTC
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I'm trying to convince management that testing/QA takes considerably longer than non-developers think. Some smaller shops don't have budgets for testers and phbs automatically assume the developer will spend a few minutes after every build "testing" and deliver a perfectly functional system.

Can someone point me to some numbers? e.g. Testing should be XX% of your total man hour count , etc etc? Or perhaps some real world experience? My goal is to have some numbers that are grounded in real life so I can make time/effort allocation justifications for "proper" testing when preparing estimates and timelines for applications. Maybe not full blown 100% TDD, but pragmatically close to it.

I apologize if I seem vague.

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