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Trends in Published Meta-Analyses.

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Title: Trends in Published Meta-Analyses.
Language: English
Authors: Grover, Burton L.
Peer Reviewed: N
Page Count: 22
Publication Date: 1993
Document Type: Information Analyses
Reports - Descriptive
Speeches/Meeting Papers
Descriptors: Comparative Analysis, Databases, Effect Size, Literature Reviews, Meta Analysis, Publications, Research Methodology, Scholarly Journals, Synthesis, Trend Analysis
Abstract: Meta analytic procedures recommended by various authorities were the subject of a literature review designed not to discuss the relative merits of contrasting recommendations, but to find what is actually in the literature. The sample reviewed included 89 articles published between 1986 and 1992, from 2 journals and 2 information databases. Meta analyses were coded for a number of variables. Most reported the databases used to find the studies. The median number of studies synthesized by the data analysis was 48. About three-quarters of these reported collecting and aggregating mean differences. Of the 66 that examined mean differences, 55 calculated and reported these differences as standardized mean differences. Fifteen studies reported effect size, eight used the standard normal deviate, and eight used some other method. A large variety of statistical methods was reported for the analysis of the relationship of moderator variables with effect size. Forty-seven studies reported an overall test of homogeneity of effect sizes. One implication of the study for researchers is that, given the diversity of approaches to meta analysis, a good part of the potential audience may well prefer a meta analytic approach that differs from that chosen by the researcher. Five tables present information on trends in meta analysis. An appendix lists studies that appeared in the two main journals reviewed. (SLD)
Entry Date: 1993
Accession Number: ED358115
Database: ERIC
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  Data: Trends in Published Meta-Analyses.
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  Data: 22
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  Data: 1993
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  Data: Information Analyses<br />Reports - Descriptive<br />Speeches/Meeting Papers
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  Data: <searchLink fieldCode="DE" term="%22Comparative+Analysis%22">Comparative Analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Databases%22">Databases</searchLink><br /><searchLink fieldCode="DE" term="%22Effect+Size%22">Effect Size</searchLink><br /><searchLink fieldCode="DE" term="%22Literature+Reviews%22">Literature Reviews</searchLink><br /><searchLink fieldCode="DE" term="%22Meta+Analysis%22">Meta Analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Publications%22">Publications</searchLink><br /><searchLink fieldCode="DE" term="%22Research+Methodology%22">Research Methodology</searchLink><br /><searchLink fieldCode="DE" term="%22Scholarly+Journals%22">Scholarly Journals</searchLink><br /><searchLink fieldCode="DE" term="%22Synthesis%22">Synthesis</searchLink><br /><searchLink fieldCode="DE" term="%22Trend+Analysis%22">Trend Analysis</searchLink>
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  Data: Meta analytic procedures recommended by various authorities were the subject of a literature review designed not to discuss the relative merits of contrasting recommendations, but to find what is actually in the literature. The sample reviewed included 89 articles published between 1986 and 1992, from 2 journals and 2 information databases. Meta analyses were coded for a number of variables. Most reported the databases used to find the studies. The median number of studies synthesized by the data analysis was 48. About three-quarters of these reported collecting and aggregating mean differences. Of the 66 that examined mean differences, 55 calculated and reported these differences as standardized mean differences. Fifteen studies reported effect size, eight used the standard normal deviate, and eight used some other method. A large variety of statistical methods was reported for the analysis of the relationship of moderator variables with effect size. Forty-seven studies reported an overall test of homogeneity of effect sizes. One implication of the study for researchers is that, given the diversity of approaches to meta analysis, a good part of the potential audience may well prefer a meta analytic approach that differs from that chosen by the researcher. Five tables present information on trends in meta analysis. An appendix lists studies that appeared in the two main journals reviewed. (SLD)
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      – Text: English
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      Pagination:
        PageCount: 22
    Subjects:
      – SubjectFull: Comparative Analysis
        Type: general
      – SubjectFull: Databases
        Type: general
      – SubjectFull: Effect Size
        Type: general
      – SubjectFull: Literature Reviews
        Type: general
      – SubjectFull: Meta Analysis
        Type: general
      – SubjectFull: Publications
        Type: general
      – SubjectFull: Research Methodology
        Type: general
      – SubjectFull: Scholarly Journals
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      – SubjectFull: Synthesis
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      – SubjectFull: Trend Analysis
        Type: general
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      – TitleFull: Trends in Published Meta-Analyses.
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              Type: published
              Y: 1993
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