Eric-Jan Wagenmakers
Eric-Jan Wagenmakers (born May 21, 1972) is a Dutch mathematical psychologist. He is a professor at the Methodology Unit in the Department of Psychology at the
University of Amsterdam (UvA). Since 2012, he has also been Professor of Neurocognitive Modeling: Interdisciplinary Integration at UvA's Faculty of Social and Behavioral Sciences. A noted expert on
research methods in psychology, he has been highly critical of some dubious practices by his fellow psychologists, including
Daryl Bem's research purporting to find support for the
parapsychological concept of
extrasensory perception, and the tendency for psychologists in general to favor the publication of studies with surprising, eye-catching results. He has also been actively addressing the
replication crisis in psychology by helping to conduct a series of studies aimed at reproducing a 1988 study on the supposed effects of smiling on the perceived funniness of
cartoons. František Bartoš, Dr Wagenmakers,
Alexandra Sarafoglou,
Henrik Godmann, and many colleagues were awarded the 2024
Ig Nobel Probability Prize for "showing, both in theory and by 350,757 experiments, that when you
flip a coin, it tends to land on the same side as it started."
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