Friday, April 22, 2005
His students are more colorful than mine, who seem to think I can follow IS-LM-FE shifts without anything more than a prime here or there. (Can you tell I'm grading exams today?)
I began using purple pens to grade exams and term papers many years ago. The reason was simple: students often used red, blue, black, and even green ink to write their answers and especially to draw graphs (with copious multi-colour line shifts). I wanted a colour that was different from theirs, ...
How long will my purple pens be distinctive if more teachers are using purple in grade school and high school?
UPDATE: Race to the Right offers a longer essay from a student's view.