People with panic disorder are likely to have agoraphobia or social phobia also

Ms. Chen, a kindergarten teacher, shows her students two identical balls of Play Dough. She then flattens one into a "pancake" and asks them whether the ball or pancake has more Play Dough

Some say the pancake because it is wider; some say the ball because it's taller. All of the children's answers exhibit A) lack of reversibility. B) zone of proximal development. C) egocentrism. D) metacognition.

Case studies can be useful and informative

a) If at least two are accumulated b) If there is systematic assessment and evaluation of features of the case c) As a method of generalizing data d) To support the use of a particular therapy over another