Discover how to determine the ideal percentage of a population for a representative sample to ensure accurate data analysis with minimal sampling error.
Copyright: © 2025 The Author(s). Published by Elsevier Ltd. Individual prediction uncertainty is a key aspect of clinical prediction model performance; however ...
1 Department of Neurosurgery, Jincheng People's Hospital, Shanxi Medical University, Jincheng, China 2 Department of Neurosurgery, Yuncheng Central Hospital, Shanxi Medical University, Yuncheng, China ...
Model of the ichthyosaur Eurhinosaurus longirostris, from the Muséum National d’Histoire Naturelle (Paris, France), showing the different measurements used in the study. A team from the University of ...
Endotoxin testing is a vital component of pharmaceutical, biologic, and medical device quality control, with a direct impact on medication safety. As detection technologies have advanced, the ...
The FAA is seeking public comments on proposed guidance that would define sample sizes for parts manufacturer approval (PMA) applicants seeking certification for engine and auxiliary power unit (APU) ...
An asteroid is the most likely reason the dinosaurs went extinct—but could something similar happen to us? A new study has compared the likelihood of a devastating asteroid impact to other causes of ...
Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. President Donald Trump and his advisers have called for dramatically ...
Accurate sample size estimation is a cornerstone of successful Institutional Review Board (IRB) proposals, as it establishes the feasibility of clinical studies and ensures they are sufficiently ...
In mid-June 2025, following the U.S. Army's 250th birthday celebration parade in Washington, D.C., claims (archived) circulated (archived) online about the size of the crowd at the event, which fell ...