Experts and Expertise

Problems with word problems: When even experts fail to realize that 14 – 2 = 12

Word problems – they’re the bane of many a math students’ existence. But what makes them so difficult?  Sometimes, the issue is that our real-world knowledge suggests a way of thinking that is contrary to what the problem requires. For example, people assume that problems including the phrase “more than” will require addition and problems […]

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The early shining bird flies longer: Career development determines NBA players’ performance decline

Even beautiful minds take time to develop and mature. There is evidence that even an alleged child prodigy such as Wolfgang Amadeus Mozart, who started composing at age 5, required 10 years of practice to produce an outstanding piece of creativity. Alas, even beautiful minds will eventually turn from productivity to retirement, and no matter […]

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When real-time looks more benign: Fouls in slo-mo are penalized more severely by soccer referees

Those of you who are soccer fans may find the following passage easy to follow: “In a new age for football, AZ had a goal against Cambuur disallowed for a foul on the keeper after the decision was reviewed. Stijn Wuytens thought he had won the game for his side only to be called back […]

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Who kidnapped Charles Lindbergh, Jr? Forensic handwriting analysis and expertise

On the first of March, 1932, an intruder entered the New Jersey home of aviator Charles Lindbergh. The intruder used a ladder to enter the bedroom of little Charles Jr. and kidnapped the sleeping infant. A little over two months later, the baby’s body was found nearby. The intruder had left a ransom note on […]

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Knowledge is (still) power: Memory for chess positions is better for experts with more chess knowledge and chess experience

Memory researchers love chess. Chess experts have been studied by psychologists to try to explain the role of higher-level processing in memory. One reason chess is a great domain in which to ask these questions is because its rules and concepts provide meaning to the spatial positions of the pieces only if one knows them. […]

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#goCRPI: The perceptual expertise of soccer referees

26th of June 2006. Soccer World Cup. Italy-v-Australia is tied at 0-0 in the 95th minute. Fabio Grosso, Italy’s hero who ultimately secured the World Cup against France during a penalty shoot-out, dribbles his way into the penalty area and falls over an Australia defender. The referee awards a penalty to Italy, and the rest […]

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