Katie Couric does some more hard-hitting investigative journalism, checking facts on kindergarten teachers who “shaking the sillies out” as a technique for preparing hyper kids for their arts and crafts.

After checking the scientific research, Couric corners a bunch of kids in their classroom and calls out the teacher. She tells them: “you’re living a lie!” She later finds out that “shaking the sillies out” actually has some strange side effects.

Check out Couric at Funny or Die, after the jump.