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Klara Brunnhuber: Research Waste when Justifying New Research

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Klara Brunnhuber, Vice Chair of EVBRES COST Action on how researchers currently justify a new study and why this lack of a systematic and transparent approach leads to research waste.

Published in: Health & Medicine
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Klara Brunnhuber: Research Waste when Justifying New Research

  1. 1. Research Waste when Justifying New Research Klara Brunnhuber 6th February 2019
  2. 2. When do researchers have to justify a new study? • Internal: • During the ideation phase • External: • In your proposal to research funder(s) • In your submission to ethic committee • In the Introduction section of your manuscript submission to relevant journal(s) • Presentations about your work
  3. 3. How are researchers currently justifying their new study? • Method: Systematic review • Literature search: • Seven databases searched: MEDLINE, EMBASE, CINAHL, Web of Science, Social Sciences Index, Arts & Humanities Citation Index, Cochrane Methodology Register • Reference lists checked and experts asked for relevant literature • Search period: Inauguration to 28th June 2015 (currently being updated) • Keyword themes: ‘Earlier’; ‘Evidence’; ‘Selective’; ‘Citation’; ‘Cumulative Meta-Analysis; ‘SR’; ‘Planning’ • Inclusion/exclusion criteria: • Study type: Primary studies • Question: Do clinical health researchers take into account a systematic synthesis of earlier similar trials when justifying and designing a new study, and when placing new results in the context of earlier similar trials? • Excluded: Studies evaluating the issue in other scientific disciplines and basic health science
  4. 4. How are researchers currently justifying their new study? • Results: • Number of hits: 25,997 studies • Included from reference lists: 421 studies • Total screened by 17 people based on abstract: 26,418 studies • Appraised in full text: 288 studies • Included: 90 studies • Identified from their reference lists: 237 studies • Excluded based on appraisal: 192 • Total included: 135 studies • Stricter inclusion criteria: Final number included: 74 studies
  5. 5. How are researchers currently justifying their new study? Preliminary mapping and results Number of studies References Continue irrelevant research 10 studies Andrade 2013; Clarke 2014; Fergusson 2005; Haapakoski 2015; Habre 2014; Juni 2004; Ker 2012, Lau 1992, Lau 1995, Poolman 2007 No use or poor use of SR in Introduction 3 studies Clarke 2013; Jones 2013; Goudie 2010 No references to all studies 5 studies Goudie 2010; Robinson 2011; Sawin 2015; Schrag 2011; Sheth 2011 Positive, supportive and significant studies are more often cited than negative, critical and non-significant 6 studies Bastiaansen 2015; Fiorentino 2011; Greenberg 2009; Jannot 2013; Puder 1987; Shadish 1995; Subjective reasons for choosing references 3 studies Amancio 2012; MacRoberts 1986; Thornley 2015
  6. 6. How are researchers currently justifying their new study? Analysis of 8 eligible studies (4 studies included relevant figures) Outcome Result Average PRCI (prior research citation index)* About 0.22 = only 22% of relevant prior research cited Average SSCI (sample size citation index)* About 0.23 = only 23% of study participants in prior trials acknowledged * Defined by Robinson K, 2011
  7. 7. Problem: Three out of four studies and three out of four study participants are not mentioned in new studies!
  8. 8. Thank you klarabrunnhuber@gmail.com

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