For what primary purpose can MFTs administer psychological tests to clients?

The primary purpose for which Marriage and Family Therapists (MFTs) can administer psychological tests to clients is to diagnose mental illness. Psychological testing can provide valuable insights into a client's mental health status, which in turn helps in formulating effective treatment plans. These assessments enable therapists to identify specific issues such as mood disorders, anxiety, or personality disorders, leading to a better understanding of the client's needs.

In the context of MFT practice, diagnosing mental illness is a critical step that can inform interventions aimed at improving clients' relationships and overall well-being. Therefore, using psychological tests primarily for diagnosis aligns with the therapist's role in understanding and addressing the psychological dynamics that may affect a client's familial and relational functioning.

While improving a client's relationships is a goal of therapy, this is typically a result of the interventions based on the assessment findings rather than the direct purpose of administering tests.