Your friend has applied to several medical schools. after receiving one rejection letter, she concludes that she will not be admitted to any school and feels depressed. your friend is engaging in

The tendency of the person to act that way is because of overgeneralization. It is a way of a person having to conclude something base on a given scenario that will make it likely to lead to that path. It is shown above as because of her failure of having to have a pass and get admitted, she thinks that she won't be able to get into any medical school which is a form of overgeneralization.