Therapist effects in the National Institute of Mental Health Treatment of Depression Collaborative Research Program

Irene Elkin*, Lydia Falconnier, Zoran Martinovich, Colleen Mahoney

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

90 Scopus citations

Abstract

Recent psychotherapy research literature has stressed the importance of therapist effects (i.e., the impact of the individual therapist on treatment outcome). The authors report an analysis of therapist effects in the National Institute of Mental Health Treatment of Depression Collaborative Research Program using hierarchical linear modeling. In addition to studying overall therapist effects, they investigate the possible interaction of therapists with initial patient severity and difficulty levels. There were virtually no significant findings in regard to either overall effects of therapists or the interaction with patient severity and difficulty. There was some suggestion of outliers (i.e., therapists who had especially good [or poor] rates of patient retention and recovery). Recommendations are made regarding different methodological approaches for studying outcome differences due to therapists.

Original languageEnglish (US)
Pages (from-to)144-160
Number of pages17
JournalPsychotherapy Research
Volume16
Issue number2
DOIs
StatePublished - Mar 1 2006

ASJC Scopus subject areas

  • Clinical Psychology

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