Presents a model showing how symptoms differ from other adaptive behaviors by their low productivity. Symptom's paradoxical dual norm structure result from communication patterns and indirect strategies which control the environment. Suggests if such structures are to be removed promptly, different but equally stable dual norm structures are…

Describes the sequentially developmental life stages of healthy, normal families. Provides an exposition of these developmental stages and forms as a guide or normative framework within which to test for dysfunction and pathology in the family process. (Author/JAC)