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Dave wrote:Three years ago, I gave my students the answer cards for a 40-mc quiz. Noquestions were given. They "guessed" the answers then I gave them the quiz
with a new answer card of course! SURPRISE..They scored less the second
time [guessing was 30%; answering was 24%]...
sounds like you're doing 'negative teaching.'
when i was in grad school, we had a professor who gave a MC exam
to a class of 350...