What happens when 70 teams of researchers analyze the same dataset to test the same hypotheses?

May 22, 2020

The scientific process involves many steps, such as developing a theory, creating hypotheses, collecting data and analyzing the data. Each of these steps can potentially affect the final conclusions, but to what extent? For example, will different researchers reach different conclusions based on the same data and hypotheses? In the Neuroimaging Analysis, Replication and Prediction Study almost 200 researchers (from fields including neuroscience, psychology, statistics, and economics) teamed up to estimate how variable the findings of brain imaging research are as a result of researchers’ choices about how to analyze the data. Roland Benoit and Ruud Berkers from MPI CBS have contributed to that big study published in Nature.

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