The most common discipline technique for a child's misbehavior that north american parents use with preschool children is:

The most common problem used by parents is we use 'our parents' methods of discipline preschool children. Hitting, yelling, using fear, threatening all of these are examples of what my parents have or may have done. Though these tactics may have worked for a short time, I can say that if my parents would have taken the time to teach and guide me even with my resistance, their discipline would have been more effective.

Currently, as of february 2016, an american traveling in france would be by the exchange rate. the weakness of the euro and the strength of the us dollar means that items in france cost less to an american than they otherwise would. of course, if this trend reverses and the us dollar weakens and the euro strengthens, such as was happening in early 2008, an american traveling in france would have an adverse experience because items would cost relatively more.