Sample Size Calculation for a Hypothesis Test...

Natalie Exner Dean, PhD, Associate Professor, Rollins School of Public Health, Emory University, discusses Test-Negative Study Designs for Evaluating Vaccine Effectiveness with JAMA Statistical Editor Roger J. Lewis, MD, PhD. Related Content: Test-Negative Study Designs for Evalu ...  Show more

Steve A. Webb, MBBS, MPH, PhD, professor, Royal Perth Hospital, The University of Western Australia discusses Platform Clinical Trials for the Efficient Evaluation of Multiple Treatments with JAMA Statistical Editor Roger J. Lewis, MD, PhD. Related Content: Platform Clinical Tria ...  Show more

One of the most common causes for problems we see in manuscripts at JAMA is an inappropriately calculated study sample size. This seemingly mysterious process is explained by Lynne Stokes, PhD, professor of Statistical Science at Southern Methodist University in Dallas, Texas. 

In this "Breathe Easy Critical Perspective" podcast, Dr. Dominique Pepper interviews Dr. Michael Sjoding. They discuss his NEJM publication about bias in pulse oximetry measurement. Dr. Sjoding is an Assistant Professor in the Division of Pulmonary and Critical Care at the Uni ...

One of the hottest topics in modern physics is trying to understand the scattering of fundamental particles with neither shape nor size - one step up from nothingness. Amazingly, attempts to understand these simple processes theoretically require state-of-the-art mathematics. The ...  Show more

Eric Larson and Isabel Vogt have solved the interpolation problem — a centuries-old question about some of the most basic objects in geometry. Some credit goes to the chalkboard in their living room. Read more at QuantaMagazine.org. Music is “Good Times” by Patrick Patrikios.< ...