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shared by Lisa Smith on 01 Sep 10 - Cached

While out in the wild, the scientists — skeptics included — noticed something significant happening on the third day they couldn't use their hand-held devices, computers and mobile phones. "You start to feel more relaxed. Maybe you sleep a little better. Maybe you don't reach for your phone pinging in your pocket," Richtel says. "Maybe you wait a little longer before answering a question. Maybe you don't feel in a rush to do anything — your sense of urgency fades."  Richtel terms it the "three-day effect."
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"When you check your information, when you get a buzz in your pocket, when you get a ring — you get what they call a dopamine squirt. You get a little rush of adrenaline," he says. "Well, guess what happens in its absence? You feel bored. You're conditioned by a neurological response: 'Check me check me check me check me.' "
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www.lumosity.com

shared by chris deason on 06 Oct 10 - Cached

shared by Andrew Barras on 12 Nov 10 - No Cached

Colleges no longer simply want to know what their students know, but how they think.
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Higher-order thinking skills are "something that schools are paying a little bit more attention to these days," says Jeffrey Steedle, a measurement scientist at the Council for Aid to Education, whose Collegiate Learning Assessment essays are used at several hundred colleges to test students' abilities to synthesize arguments and write persuasively. "It's largely in response to the recognition that these skills are needed to be competitive in the global marketplace."
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But educators also say that paper-and-pencil examinations have limits—for one thing, knowing that you are being tested can drag down performance—and they are looking for new methods to measure skills like critical thinking, creativity, and persistence.
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Valerie J. Shute, an associate professor of educational psychology and learning systems at Florida State University, believes she has a solution in "stealth assessment"—the administering of tests without students' knowing.
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To do that, Ms. Shute and other stealth-assessment researchers have turned to video games, which let educators watch students solve complex tasks while immersed in virtual worlds.
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"Everybody likes to play," she says. "And so much could be done using games."
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www.pbs.org/brain

shared by chris deason on 13 Dec 10 - Cached

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