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Record identifier : 567395
Personal Name - Primary Intelectual Responsibility : Baldwin, Scott A
Title and statement of responsibility : Publication bias in psychotherapy meta-analyses [Thesis]
Publication, Distribution,Etc. : The University of Memphis, 2006
Language of the Item : eng
Dissertation of thesis details and type of degree : Ph.D.
Body granting the degree : , The University of Memphis
Summary or Abstract : Publication bias is a threat to the validity of conclusions in psychotherapy meta-analyses. Publication bias refers to a bias in favor of the publication of studies with statistically significant results, whereas those studies without statistically significant results are less often published. Consequently, both narrative and quantitative reviews of the literature that rely only on published studies may contain disproportionately more studies showing significant results compared to the population of studies conducted. I reviewed 172 psychotherapy meta-analyses to assess whether and how researchers attend to publication bias. The majority of these meta-analyses did not include unpublished studies and did not use the available methods for detecting publication bias. Additionally, for a subsample of 35 meta-analyses that reported sufficient data,used five methods for detecting publication bias to explore the likelihood of publication bias in psychotherapy meta-analyses. Results suggested some evidence of publication bias, although the effects of that bias appear to be small. Alternative explanations to publication bias are discussed..
Topical Name Used as Subject : Psychotherapy
Information of biblio record : TL
 
 
 
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