The Family Relationship Index (FRI) is a self‐report measure that provides an overall index of the quality of the family environment, as well as subscores that reflect family cohesion, expressiveness, and conflict. The current study is based on 53 families who had approached a family service agency for counseling and who had completed an FRI measure prior to intake. The construct validity of the FRI scores was evaluated by comparing them to measures of family functioning provided by experienced famly therapists as part of the intake process. Support for the construct validity of the composite index and two of the subscores, Family Cohesion and Family Conflict, was obtained.