Kohn's central message is that standardized tests are "not a force of nature but a force of politicsand political decisions can be questioned, challenged, and ultimately reversed."

שם הספר
No Contest: The Case Against Competition
Punished By Rewards: The Trouble with Gold Stars, Incentive Plans, A's, Praise, and Other Bribes
The Homework Myth: Why Our Kids Get Too Much of a Bad Thing
Unconditional Parenting: Moving from Rewards and Punishments to Love and Reason