Posted by randfish Jason Cohen recently authored a post on A/B testing that deserves both broader awareness and a deeper dive. Most of us in the online marketing world are aware of the power A/B tests can bring through improved click-through, sign-up and conversion rates. Getting a higher percentage of visitors to a page to take a desired action is powerful stuff. The process by which we hypothesize, design, create and run testing, however, is fraught with peril. And,