Sort by:
  1. Added Nov 02, 2006 by sean_parker
    "Mr. Hartranft, a nuclear engineer who had been forced to retire early because of Parkinson’s disease, came up with what he thinks is a rigorous mathematical model to compare the school’s demanding grading system with more lenient grading in other schools. The model, he and some local school administrators say, is a bold new way to think about grades."
FirstPrevious...1...NextLast