I wonder if students would do better if we graded using green pens instead of red.
Maybe at the end of the quarter we should use a mix of red and green, so that before they spend time with their family, they would view something in Christmas colors.
Accept the past. Live for the present. Look forward to the future. Robot Fusion
"As our island of knowledge grows, so does the shore of our ignorance." John Wheeler
"[A] scientist looking at nonscientific problems is just as dumb as the next guy." Richard Feynman
"[P]etabytes of  data is not the same thing as understanding emergent mechanisms and structures." Jim Crutchfield