A 2nd grade named Bobby has attended the same school for both kindergarten and 1st grade. Bobby typically enjoys school and never exhibits any problems with entering his class. Bobby does not like loud noises and cries when people raise their voice at him. Bobby's second grade teacher raises her voice at the children frequently. After several days of this Bobby becomes upset when his parents drop him off at school. He clings to his mom and dad and cries that he doesn't want to go in. He also becomes very upset anytime school materials are presented to him.