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 ...

Acknowledgments: I am grateful to Mary Mack, CEDS, CISSP, for her valuable feedback on an early draft of this piece. At some point eDiscovery practitioners seem to have tacitly agreed that sample ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Investigator: Right, here is the data set. What is the P value? Statistician: Oh, hello again. Look, I have some concerns about how the endpoint was assessed... Investigator: Fine, I'll add a sentence ...

Jumping to conclusions from a 15-game sample size for the Warriors last season would have had people making NBA championship parade plans down Market Street again. Warriors coach Steve Kerr doesn’t ...

Journal of the Royal Statistical Society. Series D (The Statistician), Vol. 41, No. 4 (1992), pp. 389-397 (9 pages) The problem of sample size determination in the context of Bayesian analysis, ...

Erika Rasure is globally-recognized as a leading consumer economics subject matter expert, researcher, and educator. She is a financial therapist and transformational coach, with a special interest in ...

The Los Angeles Dodgers punched their ticket to their 13th straight NLDS appearance on Wednesday night with an 8-4 win over the Cincinnati Reds. It was also the Postseason debut of the highly coveted ...

Randomized clinical trials serve as the standard for clinical research and have contributed immensely to advances in patient care. Nevertheless, several shortcomings of randomized clinical trials have ...

In the first part of this piece I pointed out why it can be difficult to validate TAR using control set metrics. When the overall proportion of responsive documents is very low, it becomes ...