Gerd Gigerenzer (born September 3, 1947, Wallersdorf, Germany) is a German psychologist who has studied the use of bounded rationality and heuristics in decision making. Gigerenzer is currently director of the Center for Adaptive Behavior and Cognition (ABC) at the Max Planck Institute for Human Development and director of the Harding Center for Risk Literacy, both in Berlin, Germany.

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  • Gerd Gigerenzer (* 3. September 1947 in Wallersdorf) ist ein deutscher Psychologe, Direktor der Abteilung „Adaptives Verhalten und Kognition“ und Direktor des Harding-Zentrum für Risikokompetenz, beide am Max-Planck-Institut für Bildungsforschung in Berlin. (de)
  • Gerd Gigerenzer (born September 3, 1947, Wallersdorf, Germany) is a German psychologist who has studied the use of bounded rationality and heuristics in decision making. Gigerenzer is currently director of the Center for Adaptive Behavior and Cognition (ABC) at the Max Planck Institute for Human Development and director of the Harding Center for Risk Literacy, both in Berlin, Germany. How do humans make inferences about their world with limited time and knowledge? Gigerenzer’s answer is that in an uncertain world, probability theory is not sufficient; people also use smart heuristics, that is, rules of thumb. He conceptualizes rational decisions in terms of the “adaptive toolbox” (the repertoire of heuristics an individual or institution has) and the ability to choose a good heuristics for the task at hand. A heuristic is called “ecologically rational” to the degree that it is adapted to the structure of an environment. Gigerenzer argues that heuristics are not irrational or always second-best to optimization, as the accuracy-effort trade-off view assumes, in which heuristics are seen as short-cuts that trade less effort for less accuracy. In contrast, his and associated researchers' studies have identified situations in which "less is more", that is, where heuristics make more accurate decisions with less effort. This contradicts the traditional view that more information is always better or at least can never hurt if it is free. Less-is-more effects have been shown experimentally, analytically, and by computer simulations[citation needed]. (en)
  • Gerd Gigerenzer, né le à Wallersdorf, est un psychologue allemand. Il est spécialiste de l'étude de la rationalité limitée et des heuristiques de jugement. Il est professeur au Max-Planck-Institut für Bildungsforschung à Berlin. (fr)
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  • 1947-09-03 (xsd:date)
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  • Ludwig Maximilian University of Munich( ) (en)
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  • AAAS Prize for Behavioral Science Research( ) (en)
  • German Psychology Prize( ) (en)
  • Communicator Award of the German Research Association ( ) (en)
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  • 1947-09-03 (xsd:date)
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  • Gerd Gigerenzer (en)
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  • Gerd Gigerenzer (* 3. September 1947 in Wallersdorf) ist ein deutscher Psychologe, Direktor der Abteilung „Adaptives Verhalten und Kognition“ und Direktor des Harding-Zentrum für Risikokompetenz, beide am Max-Planck-Institut für Bildungsforschung in Berlin. (de)
  • Gerd Gigerenzer (born September 3, 1947, Wallersdorf, Germany) is a German psychologist who has studied the use of bounded rationality and heuristics in decision making. Gigerenzer is currently director of the Center for Adaptive Behavior and Cognition (ABC) at the Max Planck Institute for Human Development and director of the Harding Center for Risk Literacy, both in Berlin, Germany. (en)
  • Gerd Gigerenzer, né le à Wallersdorf, est un psychologue allemand. Il est spécialiste de l'étude de la rationalité limitée et des heuristiques de jugement. Il est professeur au Max-Planck-Institut für Bildungsforschung à Berlin. (fr)
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  • Gerd Gigerenzer (en)
  • Gerd Gigerenzer (de)
  • Gerd Gigerenzer (fr)
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  • Gerd Gigerenzer (en)
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