After analyzing grading systems, the economists Pradeep Dubey and John Geanakoplos concluded that a forced grade curve is a disincentive to study. “Absolute grading is better than grading on a curve …
In 1924, Walter Shewhart developed the statistical methods that reinforce why ALL grading of students should be stopped. Shewhart’s methods were classified during WWII and although declassified after the war and accepted internationally, the understanding of the concept that supports the methods is relatively rare.
The “So What?” A belief that the traditional use of grades adds value is the modern day equivalent of believing that the earth is flat. If you want to discover “the new continents,” adopt the better methods that support continual improvement and learning.