Meta-Analysis Resources

Tools for Those Who Summarize the Evidence Base

Resources and networking for those who conduct or interpret meta-analyses related to any phenomenon that is gauged in multiple studies.

Margaret MacDougall
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  • United Kingdom
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Presenting tables from systematic reviews for publication
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HelloI am co-authoring a systematic review article with some authors who have produced tables spilling over many pages of MS Word (both horizontally and vertically). In my opinion, these tables, as…Continue

Started this discussion. Last reply by Blair T. Johnson Feb 20, 2013.

Regression approach to '"sensitivity analysis"
4 Replies

Hello I recently encountered an approach to sensitivity analysis in a published article which involved performing "sensitivity analyses" using quality scores as predictors of effect sizes in a…Continue

Started this discussion. Last reply by Margaret MacDougall Aug 24, 2012.

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Feb 5, 2016
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Meta-Analytic Analyses and Interpretations Thereof

Tips and techniques for the analysis of meta-analytic databases and for interpretations of such analyses.
Jan 12, 2015
Margaret MacDougall joined Blair T. Johnson's group
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Designing a Meta-Analysis

Issues in deciding how to define the universe of research that a meta-analysis will address.
Jan 12, 2015
Blair T. Johnson replied to Margaret MacDougall's discussion Presenting tables from systematic reviews for publication
"I wonder if the supplemental archives that journals now more or less routinely offer would permit you to post the Excel spreadsheet itself. I am not sure I have seen such a thing (has any reader? Please post a reply!), but it certainly would…"
Feb 20, 2013
Margaret MacDougall posted a discussion

Presenting tables from systematic reviews for publication

HelloI am co-authoring a systematic review article with some authors who have produced tables spilling over many pages of MS Word (both horizontally and vertically). In my opinion, these tables, as such, are a non-starter in terms of attracting the reviewers' attention. I do have some sympathy, however, since the tables (which separately document responses to review criteria and characteristics for studies for different articles) are difficult to condense into manageable sizes.  Do any members…See More
Feb 13, 2013
Margaret MacDougall replied to Margaret MacDougall's discussion Regression approach to '"sensitivity analysis"
"Dear Blair Thanks for the links to these interesting resources. Our discussion certainly highlights the confusion which can arise from reading papers or chapters on quality scores in isolation. I have also found that it is worthwhile writing to…"
Aug 24, 2012
Blair T. Johnson replied to Margaret MacDougall's discussion Regression approach to '"sensitivity analysis"
"True, any method is open to question, all measures have error, and yes, there is no perfect statistical procedure out there. Making matters more complicated still, we've known for a long time that different fields have different standards for…"
Aug 17, 2012
Margaret MacDougall replied to Margaret MacDougall's discussion Regression approach to '"sensitivity analysis"
"Dear Blair  Thanks for replying. To be honest, I don't think there is such a thing as a validated quality scale for the scientific rigour of a study, as there is not a universal reference standard for true scientific rigour. Therefore,…"
Aug 15, 2012
Blair T. Johnson replied to Margaret MacDougall's discussion Regression approach to '"sensitivity analysis"
"Hi Margaret, It sounds like the authors needed to satisfy reviewers and they found a quick way to do it. I agree with you that there might be issues in this strategy, though I would volunteer that it would be good to know more of the related…"
Aug 13, 2012
Margaret MacDougall posted a discussion

Regression approach to '"ensitivity analysis"

Hello I recently encountered an approach to sensitivity analysis in a published article which involved performing "sensitivity analyses" using quality scores as predictors of effect sizes in a regression model, and excluding studies with quality scores lower than the mean quality score.  This appears to have involved the use of a simple linear regression approach including 5 data points (one for each eligible study) of the sort (effect size for study i, quality score for study i). My first…See More
Aug 10, 2012
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Mar 5, 2012

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