Photos: Clickers in the classroom
Gadgets called "clickers" are giving teachers and students alike instant feedback on how well lectures are sinking in.
1 of 3 Bill Detwiler/ZDNET
Clickers
Students click their way through a quiz using handheld devices that wirelessly relay responses to questions to an instructor's laptop. "Clickers," as they are becoming known, are appearing in hundreds of colleges and universities around the country as teachers try to appeal to a generation raised on computers and cell phones.
2 of 3 Bill Detwiler/ZDNET
Student response system
This student response system from the Interwrite division of GTCO CalComp uses the same technology as a TV remote control.
3 of 3 Bill Detwiler/ZDNET
eInstruction clicker
Another clicker made by eInstruction, a company in Denton, Texas. This one uses radio frequency to transmit responses and sells for around $12 at some student bookstores. The receiver for this particular device can gather up to 1,000 responses in seven seconds.
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