SOS for Parents is a good resource. My son's social worker suggested it as Magic 1,2,3 didn't cut the mustard. Magic 1,2,3 may be a good resource for you as well. The time out Chair is supposed to be in a BORING PLACE, 1 min per year of age (you could do 2 min), 10 second rule (you have 10 seconds to tell the child why he is going to time out and put him there...and I think that is supposed to be 10 words or less) Then when the timer (placed near him) rings, ask him why he was there. (I am still reading the book so don't hold me to this LOL) The re-hashing why he was sent to time out contradicts the magic 1,2,3 theory, though. Magic 1,2,3 feels that once the time is done...that's it. Oh- and you can go behind the chair, grasp each hand and have your son hug himself (with your assistance) until he is able to sit in the chair without assistance. I have a tough time with this one, myself...but I have seen his social worker do it with him (he eventually does give in and sit) And Lastly ignore all the spitting, chatting, clowning around (as long as he is sitting on the chair safely)and don't respond to it. The main principle of the book is to reward the good behaviors, selectively and sparingly use mild punishment (time out) to correct undesired behaviors and don't ACCIDENTALLY reward bad behaviors. I think this book has been around for a while because it came with a video shot back in the 80's (I was flashing back to my own childhood watching the little scenes!) I hope this was helpful for you and good luck!