- Alters interactions between family members.
 - Appreciation of problems as interactional
 - Modifying communication between family members.
 - Optimizing position of boundaries between members.
 - Establishing appropriate hierarchies.
 
Several models are included (e.g. structural, dynamic and integrated).
Family growth is taken as equivalent to individual growth.
psychopathological understanding
– significant member can take an active role if needed in therapy.
– Timing of family involvement.