Key figures: who are the main theorists associated with the theory? (This should be like a mini-biography, not just a listing of names.)

Key figures: who are the main theorists associated with the theory? (This should be like a mini-biography, not just a listing of names.)
Key concepts: what are the key components and concepts that make up the theory?
Explanation of disordered personality: how is this theory used to explain the causes of a personality disorder? What are some of parts used in the explanation? How would a theorist explain the development of a personality disorder based on this theory?
Scientific credibility: is this theory testable? If yes, what are some of the ways that it is tested? What are some of the tests used? If not, why is it not testable?
Comprehensiveness: does this theory look at the whole person? Does it address all parts of personality, or does it look at only various components?
Applicability: how is this theory used in the world of psychology in a professional manner? Think about different types of psychology that the theory might be used in, and talk about how (i.e. counseling, educational, I.O.). Provide specific examples here.