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Theoretical review uncovers severe limitations of probability-based research in clinical psychotherapy, highlighting alarming conflicts with client-centred treatment principles.
Most therapy sessions are, perhaps, founded upon the question of what might be the most effective treatment for a particular client dysfunction. The recommendations for specific treatments for particular dysfunctions are supposedly based upon research findings, with the research that is considered most viable being the true experimental design which is predicated upon probability theory. Hence, it was my original intention to propose a model for effective psychotherapy which emanates from psychotherapy outcome research. Not surprising to many who know me, this model would be predicated upon Rogers ' integration hypotheses of the necessary and sufficient conditions for therapeutic personality change and would be highly sympathetic to his theory of clientcentred therapy (Rogers, 1959). I have over my career differed with the party line of psychology and psychotherapy treatment methods which are, in my opinion, paradigmatically different from Rogers ' contention. However, my conclusions are more drastic than simply finding research support for my particular frame of reference. The situation is alarming!
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Jerold Bozarth (2026) studied this question.
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