We thank Dr Murphy for his careful reading of our report, in which we described differences among therapists in the outcomes of their caseloads. These differences were based on a study in which patients were randomly assigned to welltrained therapists who performed manual guided therapy. Dr Murphy has raised technical issues about data analytic strategy that have been debated by statisticians for years. This debate is necessary and underscores the need for multiple forms of analysis and, of course, replication. Regarding the subjects and selection, there are several subsets based on available data. The total sample was 110 subjects, randomly assigned to the three treatment conditions, who stayed in treatment a minimum of three sessions and were located for seven-month follow-up. The data in Table 1 refer to the randomly assigned caseloads of three therapists from each group with the largest caseloads (as stated on page 603). Therapists with caseloads
McLellan AT, Woody G. Assessing Therapist Success-Reply. Arch Gen Psychiatry. 1987;44(2):195–196. doi:10.1001/archpsyc.1987.01800140107022
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