Dissecting the Classroom

Brett Beadle for The Chronicle

“They love your lectures,” Brett Gilley (right), told his colleague Stuart Sutherland, at the U. of British Columbia, after doing a minute-by-minute analysis 
of a class session of Mr. Sutherland’s earth-science course. But, he added gently, “you could put so many activities into that lecture.”
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Brett H. Gilley took a seat in the back of the lecture hall and laid the tools of his trade in front of him.

The first was a gridded sheet of paper, on which Mr. Gilley, a science teaching-and-learning fellow here at the University of British...

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