Answer:
Family study
Explanation:
The family study tells about the mental and genetic disorder running in the family. The family study is used or study jut to ask about one question whether the disorder is familial or not. Many traits are running in the family that influenced genetically than close relations. This study indicates that if one person in the family suffering from a disorder has influenced another person in the family.
With the help of many psychotherapies, the psychologist helps these people. The treatment based on family therapy. Other drug treatments also provide to the person.