Here is an interesting article to follow regarding spanking.  From the web article at beliefnet.com  http://www.beliefnet.com/Love-Family/Parenting/2005/02/Do-Not-Spare-The-Rod.aspx 

It's interesting to note the technical and objective reasoning behind Proverbs 29:15 and the fact that Dr. James Dobson has approved paddling.  My hat is off to Doctor Dobson as he is truly a blessing to so many of us.