Publication bias
Investigation of publication bias in meta-analyses of diagnostic test accuracy: a meta-epidemiological study
... of publication bias. Forty-one reviews assessed publication bias with a statistical ...the publication bias assessment led to less confidence in the ...cation bias (Begg, ...
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Publication bias: what is it? How do we measure it? How do we avoid it?
... of publication or at some point 6–12 months thereafter), this in itself may have no impact on selective publication of ...However, publication bias could be reduced if journal editors moved ...
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Publication Bias in Meta Analysis: Confidence Intervals for Rosenthal’s Fail Safe Number
... Publication bias is a threat to any research that attempts to use the published literature, and its potential presence is perhaps the greatest threat to the validity of a meta-analysis ...[10]. ...
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Meta-analysis of alcohol price and income elasticities – with corrections for publication bias
... but underutilized in the meta-analysis literature. First, for outliers, trimmed samples are employed, but trimming is along two dimensions: effect-sizes and size of primary standard errors. Due to weighting methods used ...
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Improving the error rates of the Begg and Mazumdar test for publication bias in fixed effects meta-analysis
... Background: The rank correlation test introduced by Begg and Mazumdar is extensively used in meta-analysis to test for publication bias in clinical and epidemiological studies. It is based on correlating ...
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Estimating the Armington Elasticity: The Importance of Data Choice and Publication Bias
... while publication selection creates an upward bias, many questionable method choices seem to create a downward ...for publication bias, misspecification biases, and conditional on the maximum ...
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A modified regression method to test publication bias in meta-analyses with binary outcomes
... no publication bias, there is no association between effect size and ...of publication bias, as in the simulation study conducted by Rucker et ...
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Recommendations for a uniform assessment of publication bias related to funding source
... Inclusion of post-hoc analyses and follow-up studies of trials It could be argued whether post-hoc and subgroup ana- lyses and follow-up studies of RCTs should be included in studies on publication bias, ...
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Assessment of regression-based methods to adjust for publication bias through a comprehensive simulation study
... is publication bias or other factors, predicting the effect in an infinitely large study – at the top of a funnel plot – can be perceived to be unbi- ased since i) if publication bias is the ...
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Extent of publication bias in different categories of research cohorts: a meta-analysis of empirical studies
... subsequent publication. In existing reviews of cohort studies of publication bias, results from different studies have been quantitatively combined [14,16,17], although significant heterogeneity ...
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Barriers to and facilitators of interventions to counter publication bias: thematic analysis of scholarly articles and stakeholder interviews
... the publication of trial ...the publication of good-practice examples) and increasing financial resources ...regarding publication bias and usage of trial ...
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Publication bias in gastroenterological research – a retrospective cohort study based on abstracts submitted to a scientific meeting
... detect publication bias in the medical ...to publication bias and may, consequently, show larger treatment effects ...of publication bias in the bio- medical literature came from ...
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Pharmacologic Treatment of Repetitive Behaviors in Autism Spectrum Disorders: Evidence of Publication Bias
... of publication bias, including funnel plots, adjusted effect sizes after publication had been taken into account using Duval and Tweedie ’ s procedure, and tests for the symmetry of the funnel plots ...
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Preventing the ends from justifying the means: withholding results to address publication bias in peer-review
... Many journals provide guidance to encourage authors and reviewers to focus on assessing study quality. For example, in 2015, BioMed Central introduced a Minimum Standards of Reporting checklist for authors and reviewers ...
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Publication Bias in Measuring the Income Elasticity of Water Demand
... Our intention is to examine whether the evidence for publication bias remains strong if we control for the possible causes of heterogeneity. Ideally, we would like to regress the collected income ...
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The effect of publication bias in meta-regression and Meta-CART
... is publication bias. Studies have shown that publication bias leads to overestimation of the summary effect size, which as a consequence leads to inaccurate ...of publication ...
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Publication bias in animal research: a systematic review protocol
... Assessing bias, such as publication bias, is essential, when conducting ...the publication or non-publication of research findings depends on the nature and direction of the results ...
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Assessment of funnel plot asymmetry and publication bias in reproductive health meta-analyses: an analytic survey
... the publication bias, the estimated number of missing studies entered into the funnel plot (filled circles) was moderate, 7 and 5 ...for publication bias on conclusions in these three ...
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Sensitivity methods for publication bias in a meta analysis
... the publication of the Hackshaw paper in the BMJ in 1997, numerous re- searchers have not only scrutinised their findings, but also used the data that they had collected to demonstrate methods used to model and ...
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Publication bias in situ
... the bias that occurs when some results from a study are published, but the choice of which results to publish produces ...lication bias, the tendency is to analyze data and choose to present results which ...
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