The Meaning of a p-value

Dr. Regina Nuzzo breaks down the meaning of a p-value. She addresses the historical and sometimes current misinterpretation of p-values and the importance of understanding the correct meaning of the p-value in order to use sound evidence in research and clinical interventions.

Regina Nuzzo has a PhD in Statistics from Stanford University and graduate training in science writing from University of California – Santa Cruz. Her work has appeared in the Los Angeles Times, New York Times, Scientific American, New Scientist, and Nature, among others. Her 2014 feature article on p-values won the American Statistical Association’s Excellence in Statistical Reporting Award. Currently Dr. Nuzzo is a Professor of Mathematics at Gallaudet University in Washington, DC, and Senior Advisor for Statistics Communication at the American Statistical Association.