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Record identifier : 567417
Personal Name - Primary Intelectual Responsibility : Kotova, Ekaterina
Title and statement of responsibility : A meta-analysis of interpersonal psychotherapy [Thesis]
Publication, Distribution,Etc. : The University of Toledo, 2005
Language of the Item : eng
Dissertation of thesis details and type of degree : Ph.D.
Body granting the degree : , The University of Toledo
Summary or Abstract : A meta-analysis was conducted for studies of short-term Interpersonal Psychotherapy (IPT) to estimate its efficacy at post-treatment and at follow up. Overall, the collective sample of patients in the studies consisted mostly of non-psychotic, non-bipolar, non-suicidal, physically healthy adult women with mixed ethnic background diagnosed with depression or eating disorders and treated as outpatients. The efficacy of IPT when compared with no treatment was estimated to be in the range of .60 to .73 effect sizes, dependent on the type of outcome measures chosen by the original researchers. In comparison with minimum treatment (mostly educational interventions or placebo), IPT was found to have effect sizes in the range of .37 to .48. These results confirm that IPT is an efficacious treatment for and that the magnitude of its efficacy approaches what has been commonly reported for other bona fide therapies. In terms of relative efficacy, the current meta-analysis confirmed that when compared with another established psychological treatment, IPT is not convincingly superior or inferior. The largest effect sizes estimated were .23 for the relative efficacy of IPT for the treatment of depression and -.17 for its relative efficacy in the treatment of eating disorders (mostly Bulimia Nervosa and Binge Eating Disorder). It was concluded that these effect sizes do not represent significant difference. Their 95 confidence intervals contained zero, which means that they could be attributed to chance. No strong evidence was found that IPT is superior or inferior when compared with medication. This conclusion is similar to conclusions about Cognitive-Behavioral Therapy compared with antidepressants. Slight superiority of medication over IPT, as estimated by effect size of -.15 was reported when only measures of depression were considered. The combination of IPT and medication was also not found to be superior than each treatment alone. Finally, IPT was found to retain its efficacy at follow up. This conclusion was strongest when eating disorders were considered. Homogeneity among effect sizes in each grouping of studies for analysis precluded identifying moderating effects on the efficacy of IPT. It was concluded that overall, studies reported uniform results.
Topical Name Used as Subject : Psychotherapy, Academic guidance counseling
Information of biblio record : TL
 
 
 
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