Does the inclusion of grey literature influence estimates of intervention effectiveness reported in meta-analyses?

By L. McAuley, B. Pham, Peter Tugwell, D. Moher. The Lancet, 2000

788 citations recorded by the source corpus.

Subfields: General Health Professions, Statistics and Probability

View Paper: https://www.semanticscholar.org/paper/2d9de0ccf196e14df20110b6422e7c8a0f071fba

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In General Health Professions

In Statistics and Probability

Citations in the corpus

Students’ attitudes toward disability: a systematic literature review (2012–2019) (2021, background): “This review of the literature did not examine grey literature and thus may be subject to publication bias (McAuley et al. 2000).”
A practical guide to question formation, systematic searching and study screening for literature reviews in ecology and evolution (2021, background): “The inclusion of grey literature is necessary if publication bias exists in the published literature (Auger, 1998; McAuley et al., 2000).”
A Meta-Analysis of Relationships Linking Service Failure Attributions to Customer Outcomes (2014, background): “McAuley et al. (2000) show that excluding unpublished studies can lead to overestimates of effect sizes by an average of 12%.”
Searching for grey literature for systematic reviews: challenges and benefits (2014, background): “Including grey literature can broaden the scope of the review to more relevant studies, thereby providing a more complete view of all available evidence (Blackhall, 2007; Hammerstrøm et al., 2010; Hopewell et al., 2007; McAuley et al., 2000; Rothstein and Hopewell, 2009).”
PRISMA-S: an extension to the PRISMA statement for reporting literature searches in systematic reviews (2021, background): “Including conference proceedings in a systematic review search helps minimize bias [70].”
Measuring Information Technology Payoff: A Meta - Analysis of Structural Variables in Firm - Level Empirical Research (2003, background): “1997), and the influence of unpublished studies included in meta-analyses (McAuleya et al. 2000).”