In this blog post, the author points out that "modeling" or "prototyping" are one of the more effective ways to test software.

http://kev.inburke.com/kevin/the-best-ways-to-find-bugs-in-your-code/

Can someone describe these techniques and how they are used in practice?

In this blog post, the author points out that "modeling" or "prototyping" are one of the more effective ways to test software.

http://kev.inburke.com/kevin/the-best-ways-to-find-bugs-in-your-code/

Can someone describe these techniques and how they are used in practice?

[update]

I found another reference to the data: http://railspikes.com/2008/7/11/testing-is-overrated

It's from page 470 of Code Complete by Steve McConnell.