The number-one job of a marketer is to invest budget wisely to drive sales. That inherently requires accurately measuring the performance of that spending. Yet most advertisers still rely on flawed ...

A new statistical tool can help researchers get meaningful results when a randomized experiment, considered the gold standard, is not possible. A new statistical tool can help researchers get ...

By appreciating the nature of "random error," one can more easily develop a mechanistic understanding of the cause-and-effect ...