Mark is 12 years old. Every time he has to give an "oral report" at school, he experiences intense anxiety. He worries that all of the other kids are going to laugh at him and think he is stupid. When he gets up to give his speeches, he finds himself unable to speak clearly, and he ends up crying. This has been going on since he was 7. He has begun skipping class because he fears he might get called on to read out loud. He does not want to speak in front of the other children, because he worries they might judge him. Mark most likely has _______.