Abstract: Underpowered studies (below 50% power) suffer from the winner’s curse: A statistically significant positive estimate must exaggerate the true treat...
Abstract: Organizations increasingly rely on experimentation to drive data-informed decision-making and innovation. While models like the Flywheel offer guid...
Abstract: A/B tests, or online controlled experiments, are heavily used in industry to evaluate implementations of ideas. While the statistics behind control...
Abstract: Companies run A/B tests to accelerate innovation and make informed data-driven decisions. At Microsoft alone, over twenty thousand A/B tests are ra...
Abstract: Online Controlled Experiments (OCEs) are transforming the decision-making process of data-driven companies into an experimental laboratory. Despite...
Abstract: Accurately learning what delivers value to customers is difficult. Online Controlled Experiments (OCEs), aka A/B tests, are becoming a standard ope...
Abstract: There is an extensive literature about online controlled experiments, both on the statistical methods available to analyze experiment results as we...
