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Browse Month: November 2017

Publication Bias in Meta-Analysis: Prevention, Assessment and Adjustments



Publication bias is the tendency to decide to publish a study based on the results of the study, rather than on the basis of its theoretical or methodological quality. It can arise from selective publication of favorable results, or of statistically significant results. This threatens the validity of conclusions drawn from reviews of published scientific research.

Meta-analysis is now used in numerous scientific disciplines, summarizing quantitative evidence from multiple studies. If the…