Validated Data over Expert Opinion

I should have linked to this when I wrote Usability Testing: It's not a Myth, but I didn't. To make up for my neglect, I'm linking to it now: John Schrag over at the excellent Designing the User Experience at Autodesk blog has a great article comparing Validated Data to Expert Opinion. Recommended.

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But wait, there's more!

Want to read more like this? Buy my book's second edition! Designed for Use: Create Usable Interfaces for Applications and the Web is now available DRM-free directly from The Pragmatic Programmers. Or you can get it on Amazon, where it's also available in Chinese and Japanese.