PROGRESSIVE PEDAGOGY THE TRADITIONAL METHOD OF GRADING AND ASSESSING TENDS TO MAKE STUDENTS FEEL BAD, AND MOTIVATE THEM FOR THE WRONG REASONS
"In the 1980s and '90s, educational psychologists systematically studied the effects of grades.
1. Grades tend to diminish students' interest in whatever they're learning. 2. Grades create a preference for the easiest possible task. 3. Grades tend to reduce the quality of students' thinking.
No recent research has contradicted the earlier "big three" findings, so those conclusions still stand" (Kohn, 2011).