policy

Break it down, to build it up: an interview with John Ioannidis

Break it down, to build it up: an interview with John Ioannidis

As a Professor of Medicine,  Health Research and Policy, and Statistics at Stanford University, John Ioannidis has profoundly changed the field of meta-analysis. His paper, Why Most Published Research Findings Are False, which garnered more than 2.7 million readers, offers a mathematical model to calculate the PPV, positive predictive value, which evaluates the likelihood that a research result claimed to be statistically significant is true.