A meta-analysis of the relation of trauma and somatization: an investigation of methodological factors related to effect size

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dc.contributor Lichstein, Kenneth L.
dc.contributor Jarrett, Matthew A.
dc.contributor Kim, Giyeon
dc.contributor Feldman, Marc D.
dc.contributor.advisor Hamilton, James C.
dc.contributor.author Sherwood, Ian M.
dc.date.accessioned 2018-06-04T14:57:53Z
dc.date.available 2018-06-04T14:57:53Z
dc.date.issued 2017
dc.identifier.other u0015_0000001_0002882
dc.identifier.other Sherwood_alatus_0004D_12607
dc.identifier.uri http://ir.ua.edu/handle/123456789/3558
dc.description Electronic Thesis or Dissertation
dc.description.abstract The existing literature suggests that there is a significant and positive relation of trauma and somatization. However, the existing literature seems to give little consideration to methodological, participant, and study characteristics that might affect estimates of the magnitude of this relation. The present study is a meta-analysis of the existing literature on trauma and somatization. The present study intended to estimate an overall effect size for the relation of trauma and somatization, to empirically describe the methods used to study the relation of trauma and somatization, and to determine if methodological differences between studies contribute to differences in estimates of the strength of the relation of trauma and somatization. In a sample of 244 studies, there was a positive and significant mean weighted correlation between trauma and somatization (r = .161, p < .05). However, study differences often had a small but significant influence on study results and effect sizes. The existing literature was overwhelmingly retrospective, and both trauma and somatization were most frequently assessed by self-report alone. Much of the existing literature employed methods that allow for alternative explanations of the apparent relation of trauma and somatization – e.g., overestimation due to poor recall, a response bias, or poor operationalization of trauma and/or somatization. In general, less stringent methods and assessments of trauma and somatization were associated with larger effect sizes, whereas more stringent methods and assessments were associated with smaller effect sizes. Future studies of the relation of trauma and somatization should consider that methodological differences between studies may affect estimates of this relation.
dc.format.extent 154 p.
dc.format.medium electronic
dc.format.mimetype application/pdf
dc.language English
dc.language.iso en_US
dc.publisher University of Alabama Libraries
dc.relation.ispartof The University of Alabama Electronic Theses and Dissertations
dc.relation.ispartof The University of Alabama Libraries Digital Collections
dc.relation.hasversion born digital
dc.rights All rights reserved by the author unless otherwise indicated.
dc.subject.other Psychology
dc.title A meta-analysis of the relation of trauma and somatization: an investigation of methodological factors related to effect size
dc.type thesis
dc.type text
etdms.degree.department University of Alabama. Dept. of Psychology
etdms.degree.discipline Psychology
etdms.degree.grantor The University of Alabama
etdms.degree.level doctoral
etdms.degree.name Ph.D.


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