Which of the following criticisms of family and couples therapies are valid? 1: These treatments are not as effective as most individual treatments for problems relating to family or relationship conflict. 2: The attraction of these therapies may reflect little more than the charisma of those who developed them. 3: Bona fide treatments only produce beneficial outcomes for a minority of cases in 20 sessions or fewer. 4: These has been a relative lack of research on many of these therapies.