This is an example of negative reinforcement.
Her mother scolded her every time Jane bit her nails - so Jane learned that every time she bites her nails, she is going to be scolded sternly by her mother. In order to avoid that, she stopped biting her nails, and thus the reinforcement was successful.
It is "True".
Ethclass is a social class characterized by their intersection of religious and ethnic limits; the term was presented by Milton Myron Gordon who is an American sociologist. He is most noted for having conceived a hypothesis on the Seven Phases of Assimilation which in American life is the role of race, religion, and national sources.
Well, there isn't a lot of information here to work with. If I were Ben, I would go to the manager of the place, if not, then the owner, aka CEO.
