I heard a great explanation from Debbie Colberg, the...

I heard a great explanation from Debbie Colberg, the volleyball coach at Sacramento State. She said the reason coaches scream is not for the kids, it is for the adults. If a kid screws up, yelling lets everyone know that, 'I didn't teach the kid to do that.' There's a feeling that I've got to yell or people won't think I am coaching.