Punishments and rewards are two sides of the same coin and that coin doesn't buy you much.
Learning is something students do, NOT something done to students.
Grades dilute the pleasure that a student experiences on successfully completing a task.
To feel controlled is to lose interest.
Don't let anyone tell you that standardized tests are not accurate measures. The truth of the matter is they offer a remarkably precise method for gauging the size of the houses near the school where the test was administered.
Most of us would protest that of course we love our children without any strings attached. But what counts is how things look from the perspective of the children