Im hearing more about experimental design, Taguchi methods, multivariable testing, matrix marketing, Six Sigma, and a pile of other new-and-improved testing methods. Whats the difference?
In a word: branding. With most statistical advances coming from academia, cutting-edge techniques are readily available to anyone who can dig through the textbooks and journal articles and uncover the useful information buried within the complexity. No one owns some magical proprietary statistical technique that you need to have. And many of these advanced techniques have been around for decades.
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