Mr.Trapper's children will probably learn to tell the others how is important to use a seat-belts, but they will rarely use them themselves. Children imitate their parents. A model of behavior are learning in family-if parent wants to a child accept some type of behavior, it is very important that he behaves in that way. In this case, Mr.Trapper "ambiguous message" to his children-he talks about importance of something, but he does not behave like that.
Answer:
social Mobility is the movement between classes in any given area for example the change from low class to upper class in America. the poorest members of our society are usually at a disadvantage but they can also move up in Social Mobility through work and education.