As parents we have a lot of expectations for our children. We expect them to clean their room, come home on time, and not spend time on inappropriate websites. All that is very positive. We need to be communicating our expectations to our children.
If it stops there though, there will likely be a problem in time. Children often do not do what we expect them to do. Sometimes you will not even know that is occurring unless you inspect and monitor your child's behavior.
The research is clear. Parents who supervise and monitor their children's behavior have children who are less likely to be involved in delinquent behaviors.
So what does this mean for you as a parent? Follow-through with making sure your children are doing what you expect of them.
This doesn't always mean that you have to be the one who is doing the inspecting. For instance you may make sure you have good Internet monitoring/protection software. Or you may have a neighbor watch your house when you are not home if you have teenagers who are there alone. On a more practical level just make sure your child cleaned their room when they say they have.
Behaviors that are monitored regularly tend to occur more frequently. Make sure you are encouraging and inspecting for the behavior you want from your children on a daily basis.