Longevity Matters

The News and Observer hit the nail on the head: legislators pay their own employees longevity pay because they value their expertise; the expertise of veteran teachers is discounted. Here is the story, written by Dan Kane, as good a reporter as I have ever met: NC Teachers Lose Bonus Pay, But Others Still Cash In Their photographer ...

Double-faulting to Test Anxiety

I had been practicing my serve for 30 minutes (my partner was a no-show) when a guy asked "Do you want to play some?" It only took two ripped top-spin forehands to see that he was better than me. I told myself "It's a learning experience." It was indeed an education, but not so much about tennis. Double-faults into the bottom of the ne ...

Flipping the Classroom?

Lots of buzz these days about "flipping the classroom" by using internet sites and video to do straight-forward presentations (e.g. factoring a quadratic) at home, and then using class time to extend and explore (e.g. "creating" a quadratic function to match the roots and vertex of a graph). See a lengthy interview in Wired magazine with ...

Is Time on our Side?

Time slows down in an emergency. Why? David Eagleman, profiled in The New Yorker (April 25), thinks our sense of time slows down when we process lots of sensory data. For instance, I accidentally step over a ledge - my brain throws all senses into gear searching for a way not to fall. When we are engaged in learning, clock time "fli ...

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