3 ms·

I don't understand your story. How would the teacher use the projector to speed up scoring?

• milesokeefe 10y ago
  The light would shine through each student's answer card and key, like when you press two sheets of sketch paper together. So any mismatches would be easy to see and mark as you scan down the card. It would only take a few seconds to score each card and there would be no cognitive load at all, as in you wouldn't have to evaluate any answers.