Abstract
Previous investigations of the dose-effect relationship in psychotherapy suggest that therapeutic benefits occur early in treatment.
Approximately 25% of patients have been estimated to improve after 1 session, and 50% improve by 8 sessions. The aim of this study was to compare such estimates with the actual performance of outpatients in therapy. Forty-five patients seen at an outpatient clinic were monitored session by session for evidence of clinically significant change. Results indicated only 22% of patients "recovered" (as defined in this study) after 8 sessions, with the earliest recovery occurring after 2 sessions. Possible reasons for the lower dose-effect relationship found here are discussed.
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