Elsevier

The Lancet

Volume 375, Issue 9712, 30 January–5 February 2010, Page 348
The Lancet

Editorial
Should protocols for observational research be registered?

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  • Consideration of confounding was suboptimal in the reporting of observational studies in psychiatry: a meta-epidemiological study

    2020, Journal of Clinical Epidemiology
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    Furthermore, only one study reported prospectively registering the study. Of the five journals, we investigated only The Lancet Psychiatry effectively since the 2014 launch of the journal, encourages authors of observational studies to register their study [37], while also asking for protocols to be submitted along with the manuscript (Supplementary Table S5). However, none of the 22 articles published in The Lancet Psychiatry reported study registration or publication of a protocol.

  • Improving transparency in observational social science research: A pre-analysis plan approach

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    The only known example of a published observational economics paper that was credibly pre-registered is Neumark (2001), who prospectively specified an analysis to estimate the impacts of a federal minimum wage increase in the United States (Neumark, 1999). There is an active debate in the sciences about pre-registration of observational work (see Epidemiology (2010), BMJ (2010), The Lancet (2010), PLOS Medicine (2014) and Dal-Ré et al. (2014)). However, Christensen and Miguel (forthcoming) note that “there is often no credible way to verify that pre-registration took place before analysis was completed...in our view, proponents of the pre-registration of observational work have not formulated a convincing response to this obvious concern”.

  • Real-World Evidence: Useful in the Real World of US Payer Decision Making? How? When? And What Studies?

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    In an effort to improve study transparency, some researchers submit supplemental data tables and statistical analyses to journals, which, in turn, may make these available as online appendices [26]. Other experts have recommended the registration of observational studies in public repositories to address selective reporting or data dredging [27,28]. Collaborations between the ISPOR and the International Society for Pharmacoepidemiology have joined forces to improve the transparency and reproducibility of study analyses [29].

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