OverviewOur major goal in developing the McMaster Approach to Families was to delineate the basic concepts of family functioning and family treatment, which, if consistently applied, would allow therapists to provide effective treatment for families. These methods were developed to be readily teachable, transferable to different settings, applicable to a variety of clinical family problems, and capable of empirical verification and validation.To attain this goal, we developed a comprehensive approach to families which integrates: (1) a multi-dimensional theory of family functioning, (2) assessment instruments to assess these constructs, and (3) a well-defined method of family treatment. In order to facilitate comprehension and application of the McMaster Approach, we have emphasized clarity, operationally defined constructs and empirical validation. This empirical emphasis enhances the precision of the our approach as well as providing