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Equal Co-authorship Practices: Review and Recommendations.

Mohammad Hosseini1

  • 1Institute of Ethics, School of Theology, Philosophy and Music, Dublin City University, Dublin, Ireland. mohammad.hosseini2@mail.dcu.ie.

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Summary

The number of scholarly articles with equal co-authorship (EC) is growing. This review synthesizes viewpoints on EC, recommending journals address these practices and utilize contribution indicators like CRediT.

Keywords:
Authorship attributionEqual co-authorshipEqual contributionRecognitionScientific authorship

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Area of Science:

  • Bibliometrics
  • Scholarly Communication
  • Research Integrity

Background:

  • Increasing trend in scholarly publications featuring equal co-authorship (EC).
  • Discussions on EC practices are prominent, particularly within medical journals.
  • Need to broaden the discourse on EC beyond medical fields.

Purpose of the Study:

  • To collate and analyze published viewpoints on Equal Co-authorship (EC).
  • To support journal editors in developing informed opinions on EC.
  • To identify key themes and provide recommendations for managing EC.

Main Methods:

  • Systematic literature search using the Web of Science core database.
  • Citation chasing from the most-cited paper discussing EC.
  • Inclusion of 39 papers (articles and editorials) meeting defined criteria.

Main Results:

  • Identified four major themes: growth of EC, attribution challenges, guidelines/policies, and gender issues.
  • Analysis of 39 publications discussing the complexities of EC.
  • Synthesis of diverse perspectives on shared research contributions.

Conclusions:

  • Journal policies must explicitly address Equal Co-authorship (EC).
  • Implementation of contribution tracking systems (e.g., CRediT) is recommended.
  • Standardized methods are needed to capture and indicate equal contributions effectively.