= Gerd Gigerenzer
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A <cognitive psychologist> who investigated how <natural frequencies> change performance in <probabilistic reasoning>.<How to Improve Bayesian Reasoning Without Instruction: Frequency Formats by Gerd Gigerenzer and Ulrich Hoffrage>[1995, author and study described in the abstract]{ref}
\Image[https://commons.wikimedia.org/wiki/Special:Redirect/file/Gerd_Gigerenzer_(26970147768)_(cropped).jpg?width=260]
{title=Portrait of <Gerd Gigerenzer>}
{description=Stephan Röhl / Heinrich-Böll-Stiftung. CC BY-SA 2.0; cropped portrait, via Wikimedia Commons.}
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