Two new papers of interest: Grey literature in systematic reviews: a cross-sectional study of the contribution of non-English reports, unpublished studies and dissertations to the results of meta-analyses in child-relevant reviews. Hartling L et al. BMC Medical Research Methodology 2017 17:64 Conclusions: The majority of SRs searched for non-English and unpublished studies; however, these represented a small proportion of included studies and rarely impacted the results … Continue reading A couple of new papers
As far as I can tell we undertake evidence synthesis to better understand the effectiveness of an intervention. The rationale is that the greater the accumulation of evidence the greater the understanding of how good an intervention is. This is typically characterised by a reduction in the size of the confidence intervals in meta-analyses. Put it another way, we attempt to be as certain as … Continue reading Theorising about evidence synthesis – is it about the cost, language or other?