I always tell my son that he needs to speak to people respectfully and behave because that is how you should treat others, but also because I want him to be welcome wherever he goes. I've told him that if he is rude and disrespectful, after a while, people will maybe not want him around them.
If he has attitude with you, my line is "I don't talk to you that way and you WILL NOT speak to me that way. I am your mother, I don't deserve that and it will stop." Then, like kameka said, I take away a privilege - usually TV or computer time. A couple of times when he first started with a little attitude, I made him write me a letter of apology.
at 7:04 AM on Dec. 8, 2010