Which statement accurately reflects the prognosis for a client with a personality disorder? 1. Clients make the most improvement with short-term insight-oriented therapy. 2. Prognosis varies based on the degree of functional impairment and the client's motivation to change. 3. Clients with personality disorders have a fairly good prognosis even without therapy. 4. The prognosis for personality disorders is poor, even with very long-term therapy.