Ji-hoon is plagued by troubling thoughts and actions that cause him a great deal of distress. According to the definition of mental disorder used in this chapter, what additional question would you want answered before concluding that Ji-hoon suffers from a psychological disorder?
1) Does the behavior meet the definition of 'insanity'?
2) Is the behavior abnormal?
3) Do the thoughts and actions cause impairment?
4) Is the condition treatable?