Sample size is not magic. It’s a good mantra, worth repeating. It’s even worth putting into song, thanks to Ted Berg. But it’s not magic, and it’s not worth all the inaction it can inspire. Spend all ...

There was a time when Mike Trout’s strikeout and walk statistics were… normal. They were the one feature of his game that didn’t include any video game-crazy numbers. In 2014, for instance, when he ...

Power analyses and sample size calculations are important parts of many research projects. Often, before data are even collected, it is necessary to calculate and justify the required sample size for ...

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Erika Rasure is globally-recognized as a leading consumer economics ...