logo
episode-header-image
Jul 2020
12m 14s

Sample Size Calculation for a Hypothesis...

JAMA NETWORK
About this episode

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.

Up next
Jul 3
JAMA Guide to Statistics and Methods: Assessing Unexpected Circumstances That Lead to Modifications in Clinical Trial Design, Conduct, or Analysis With Professor Brooks
Maria Mori Brooks, PhD, University of Pittsburgh School of Public Health, discusses "Assessing Unexpected Circumstances That Lead to Modifications in Clinical Trial Design, Conduct, or Analysis" in the JAMA Guide to Statistics and Methods series, with JAMA Statistical Editor Roge ... Show More
16m 44s
Jun 5
JAMA Guide to Statistics and Methods: Collider Bias With Dr Andersen
Lars W. Andersen, MD, MPH, PhD, DMSc, Aarhus University, discusses collider bias in the JAMA Guide to Statistics and Methods series with JAMA Statistical Editor Roger J. Lewis, MD, PhD. Related Content: Collider Bias 
19m 26s
Apr 3
Nonparametric Statistical Analysis With Dr Lachin
John M. Lachin, ScD, Biostatistics Center, George Washington University, discusses Nonparametric Statistical Analysis with JAMA Statistical Editor Roger J. Lewis, MD, PhD. Related Content: Nonparametric Statistical Analysis 
11m 56s
Recommended Episodes
Jul 2020
Sample Size Calculation for a Hypothesis Test
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. 
12m 6s
Oct 2023
Critical Perspective Podcast: Bias in Pulse Oximetry
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 Univer ... Show More
40m 39s
Sep 2019
The Universe Speaks in Numbers: Ruth Britto interviewed by Graham Farmelo
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
14m 59s
Dec 2022
Old Problem About Mathematical Curves Falls to Young Couple
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. 
20m 34s
Feb 2022
How do we measure quality of care? A conversation on EHRs and research, with A.J. Holmgren, PhD.
A.J. Holmgren, PhD, an assistant professor in the department of medicine at UC San Francisco, discusses EHR quality measurement, quality of care and patient outcomes. This episode is part of the Health IT series by the AMA-MSS Committee on Health Information Technology, hosted by ... Show More
26m 16s
Mar 2023
Using Real-World Studies to Compare DMTs in MS
Tomas Kalincik, Head of the Clinical Outcomes Research Unit at the University of Melbourne, and Maria Pia Sormani, Professor of Biostatistics at the University of Genoa, discuss the use of real-world data to compare disease-modifying treatments (DMTs) in multiple sclerosis, inclu ... Show More
24m 43s
May 2022
Patient-Reported Outcomes in Clinical Trials
JAMA Associate Editor Ethan Basch, MD, and Melanie Calvert, PhD, from the University of Birmingham, UK, discuss barriers to and strategies for including rigorous patient-reported outcomes in clinical trials, and reflect on Dr Calvert’s recent JAMA paper on related ethical implica ... Show More
14m 26s
Jul 2021
Outside the box: Creative use of big data in medical research
Physician economist Dr. Anupam Jena shares about his experience with the creative use of data in medical research. This episode is part of a Health IT series by the AMA-MSS Committee on Health Information Technology, hosted by Chair Matthew Swanson, medical student at the Frank H ... Show More
15m 48s
Nov 2020
The Oxford/AstraZeneca Vaccine
Tim Harford reports on what we know and don't know about the Oxford/Astra Zeneca Covid 19 vaccine, as well as answering questions from both the audience and our editor. On this week's panel of experts is Danny Altman, Professor of Immunology at Imperial College London, Jennifer R ... Show More
27m 42s