<prompt> Which of the following is the most common psychiatric disorder?Anxiety disordersSchizophreniaDepressionMania  <response>: As a group anxiety disorders are the most common psychiatric disorders, followed by mood disorders. When individual disorders are compared, the most common psychiatric disorder is specific phobia followed by depression. Many a times, the question asked in exam does not have the option of either phobia or anxiety disorder, in that case the answer becomes depression. 