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	Forma pomocnych aspektów terapii	Kwestionariusz Czynników Wspólnych
Dziedzina	Badania nad psychoterapią	Badania nad psychoterapią
Rodzina	Process / pipeline	Process / pipeline
Rok powstania	1988	1992
Twórca	Sara P. Llewellyn; Robert Elliott	Michael J. Lambert, Bruce E. Wampold
Typ	Client-rated	Client-rated
Źródło pierwotne	Llewellyn, S. P., Foo, S., & Stam, H. J. (1988). Assessing psychotherapy outcome: Clients' perspectives. Canadian Journal of Counselling, 22(2), 191–206.	Lambert, M. J., & Barley, D. E. (2001). Research summary on the therapeutic relationship and psychotherapy outcome. Psychotherapy: Theory, Research, Practice, Training, 38(4), 357–361.
Inne nazwy	HAT, Helpful Aspects Questionnaire	CFQ, Therapeutic Factors Scale
Pokrewne	4	4
Podsumowanie	The Helpful Aspects of Therapy (HAT) form is a semi-structured client feedback instrument designed to capture the client's perception of what was most beneficial or helpful in a therapy session or course of treatment. Developed by Llewellyn and refined by Elliott, the HAT combines open-ended narrative response with structured rating scales, enabling rich qualitative insight alongside quantitative comparison. It is used in qualitative outcome research and clinical feedback systems to understand mechanisms of change from the client's perspective.	The Common Factors Questionnaire (CFQ) is a structured client-report measure that quantifies the client's perception of therapeutic factors deemed common to effective psychotherapy across all modalities—including alliance, therapist empathy, client agency, goal clarity, and emotional expression. Based on Lambert's contextual model and Wampold's therapeutic relationship framework, the CFQ operationalizes the empirical finding that 70% or more of therapy outcome variance is attributable to common factors (relationship, expectancy, therapeutic environment) rather than specific technique. It is used in research to examine mechanisms of change and to compare common factors across therapy types.