The SS (Social Services) asked me this question once.
I want to state first my children are a) 3 years and b) 19 months old and neither have ever been smacked.
I said yes I would smack my children (the question was '' is it ever acceptable to smack a child ?'')
WRONG ANSWER according to the SS.
I explained that I would not smack my children on a day to day basis, just if they had done something bad, (the example I used was if they had put one of our cats in the microwave and killed it).
This was not acceptable to them and I had to find it in myself to say that, No, I would never smack my children (I had a lack of choice, as you can imagine).
I still stand by my first answer though.
Tell a child a hundred times not to do something and they still do it is not worthy of a smack, but do something really bad one time and expect a slapped bum.
The punishment should fit the crime, more so with kids.
But hit a child in anger ? No way (though they do seem rather keen on it don't they !!)
And if the old bill had bought my kid home for rioting, they would rather be inside than at home with me.