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Chris Harrow

Is forensic evidence trustworthy? - Boing Boing - 0 views

  • Science in fiction affects our ability to understand science in real life.
  • Even ideas you think you can trust implicitly—like fingerprint evidence—turn out to have serious flaws that are seriously under-appreciated by cops, lawyers, judges, and juries.
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    A surface-level report that might compel some students to look much deeper.
Chris Harrow

Why great ideas come when you aren't trying : Nature News & Comment - 3 views

  • A study now suggests that simply taking a break does not bring on inspiration — rather, creativity is fostered by tasks that allow the mind to wander.
  • From an evolutionary perspective, mind-wandering seems totally counterproductive and has been viewed as dysfunctional because it compromises people’s performance in physical activities. However, Baird’s work shows that allowing the brain to enter this state when it is considering complex problems can have real benefits. Zoning out may have aided humans when survival depended on creative solutions.
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    Some evidence that 100% "time on task" might actually be counterproductive if you want to develop creativity.
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    Thanks Chris. I'm currently reading Jonah Lehrer's "Imagine: How Creativity Works." lots of tie-ins with this research (Kounios is one of his main sources). I wonder if we can build such mind- wandering into our classes...do physics labs allow for "deliberate zoning out time"? Probably not.
Chris Harrow

Devlin's Angle: If You Don't Have a Web Presence, Are You Doing Your Job? - 2 views

  • the fact that there are millions of people who, rather than examine the evidence and change their position, prefer to cling to what they were taught as children, is simply a fact of life
  • Americans seem particularly prone to this head-in-the-sands behavior.
  • Sure, it takes time to build those networks. But there is an audience out there of committed teachers who are eager for all the help they can get.
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  • If no teacher has learned of, or been influenced by, our work, why should we expect society to continue to support us?
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    Great find. I've listened to the entire discussion linked in Devlin's talk and it is fantastic.
Chris Harrow

Study smart - 3 views

  • it may be that the study habits you've honed for a decade or two aren't serving you as well as you think they are.
  • while last-minute cramming may allow you to pass a test, you won't remember the material for long
  • research shows that mixing tasks and topics is a better bet.
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  • Despite strong evidence that interleaving works, it can be tough for teachers to work the mixed-up style of teaching into their lectures,
  • students might not enjoy taking a quiz at the end of every class or testing themselves every time they finish reading a chapter, but doing so would probably help them remember the material on the final exam — and even after the class ended.
  • even though most professors won't use daily quizzes in their courses, students can — and should — test themselves by asking themselves questions during study sessions.
  • "One of the most important transitions you make [at the beginning of graduate school] is realizing that you are really there to learn, not just get good grades,"
Chris Harrow

Is Algebra Necessary? - NYTimes.com - 1 views

  • There are many defenses of algebra and the virtue of learning it. Most of them sound reasonable on first hearing; many of them I once accepted. But the more I examine them, the clearer it seems that they are largely or wholly wrong — unsupported by research or evidence, or based on wishful logic.
  • Of all who embark on higher education, only 58 percent end up with bachelor’s degrees. The main impediment to graduation: freshman math.
Chris Harrow

Bright children should start school at six, says academic | - 2 views

  • “But the evidence is now quite overwhelming that such an early introduction to institutional learning is not only quite unnecessary for the vast majority of children, but can actually cause major developmental harm, and at worst a shortened life-span.”
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