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John Ioannidis

John Ioannidis

Professor of Medicine and Statistics, Stanford University

Appears in 1 story

Notable Quotes

"It can be proven that most claimed research findings are false." — John Ioannidis, PLoS Medicine, 2005

Stories

Largest-ever reproducibility test finds half of social science claims don't replicate

New Capabilities

Foundational figure in metascience; not directly involved in SCORE

For decades, social science findings shaped everything from classroom teaching methods to criminal sentencing guidelines—yet no one had systematically checked whether those findings held up. A seven-year project involving 865 researchers, nearly 3,900 papers, and 62 journals across 11 disciplines found that about 55% of published claims successfully replicate and 54% of studies are precisely computationally reproducible.

Updated May 30