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Human Research Ethics Research Integrity

Percentage-based Author Contribution Index: a universal measure of author contribution to scientific articles (Papers: Stéphane Boyer, et al | 2017)

Posted by saviorteam in Research Integrity on December 8, 2017
Keywords: Authorship, Collaborative research, Journal, Research integrity, Researcher responsibilities

The Linked Original Item was Posted On November, 3 2017

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Abstract

Background

Deciphering the amount of work provided by different co-authors of a scientific paper has been a recurrent problem in science. Despite the myriad of metrics available, the scientific community still largely relies on the position in the list of authors to evaluate contributions, a metric that attributes subjective and unfounded credit to co-authors. We propose an easy to apply, universally comparable and fair metric to measure and report co-authors contribution in the scientific literature.

Methods

The proposed Author Contribution Index (ACI) is based on contribution percentages provided by the authors, preferably at the time of submission. Researchers can use ACI to compare the contributions of different authors, describe the contribution profile of a particular researcher or analyse how contribution changes through time. We provide such an analysis based on contribution percentages provided by 97 scientists from the field of ecology who voluntarily responded to an online anonymous survey.

Results

ACI is simple to understand and to implement because it is based solely on percentage contributions and the number of co-authors. It provides a continuous score that reflects the contribution of one author as compared to the average contribution of all other authors. For example, ACI(i) = 3, means that author i contributed three times more than what the other authors contributed on average. Our analysis comprised 836 papers published in 2014-2016 and revealed patterns of ACI values that relate to career advancement.

Conclusion

There are many examples of author contribution indices that have been proposed but none has really been adopted by scientific journals. Many of the proposed solutions are either too complicated, not accurate enough or not comparable across articles, authors and disciplines. The author contribution index presented here addresses these three major issues and has the potential to contribute to more transparency in the science literature. If adopted by scientific journals, it could provide job seekers, recruiters and evaluating bodies with a tool to gather information that is essential to them and cannot be easily and accurately obtained otherwise. We also suggest that scientists use the index regardless of whether it is implemented by journals or not.

Keywords
Co-authorship, Author contribution, Publication metric, Scientific integrity

Boyer S, Takayoshi I, Lefort MC, Malumbres-Olarte J and Schmidt J (2017) Percentage-based Author Contribution Index: a universal measure of author contribution to scientific articles. Research Integrity and Peer Review. 2 (1)
Publisher (Open Access): https://researchintegrityjournal.biomedcentral.com/articles/10.1186/s41073-017-0042-y

Also see
All for one or one for all? Authorship and the cross-sectoral valuation of credit..

Related Reading

(US) Authorship Policies at U.S. Doctoral Universities: A Review and Recommendations for Future Policies (Papers: Lisa M. Rasmussen, et al | November 2020)

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