Answer:
Option (1).
Explanation:
Behavioral and cognitive theory is mainly based on clinical-experimental approach. The behavioral and cognitive scientist mainly involve in training and research to cope with wide range of problems.
Narcissistic personality disorder is a type of mental disorder in which the individual need excessive attention, admiration and lack of empathy for other people. The people suffers from this disease are too positively in their early life.
Thus, the correct answer is option (1).