{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T03:23:55Z","timestamp":1792553035948,"version":"4.5.0"},"reference-count":46,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2020,7,13]],"date-time":"2020-07-13T00:00:00Z","timestamp":1594598400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Clin Psychol"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>The current study aims to sharpen the understanding of the psychotherapy dose\u2013response effect and its moderators in a psychology training clinic.<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p>Data were extracted from 58 client records. Weekly Patient Health Questionnaire\u20109 and Generalized Anxiety Disorder\u20107, as well as Outcomes Questionnaire\u201045.2, administered every fifth session, assessed whether clients achieved reliable change (RC) and clinically significant and reliable change (CSR) during treatment. Survival analyses were conducted to determine the sessions required for 50% of the sample to achieve these outcomes. Multilevel Cox frailty regressions were used to investigate client\u2010and\u2010therapy\u2010based moderators.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The median time for 50% of the sample to achieve RC was 8\u201310 sessions and 11 sessions to achieve initial CSR. Past treatment history was a significant moderator of time to achieve RC.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>From a population perspective, psychotherapy is most beneficial to patients early in treatment. 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