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 ...

Much of running a small business is a gamble, buoyed by boldness, intuition and guts. But wise business leaders also conduct formal and informal research to inform their business decisions. Good ...

In the Neyman-Pearson theory of hypothesis testing it is customary to calculate significance levels and power functions on the assumption that the sample size is fixed. The main purpose of this paper ...

Allison Futterman is a Charlotte, N.C.-based writer whose science, history, and medical/health writing has appeared on a variety of platforms and in regional and national publications. These include ...

This summer’s controversy surrounding the FDA’s shocking approval of the drug aducanumab provides a window into a scientific field in crisis If you're enjoying this article, consider supporting our ...

New findings contradict previous notions about sugar's role in the onset of diabetic cataracts. Using an animal model that more closely recapitulates type 2 diabetes in humans, the research team found ...