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Screening for self-plagiarism in a subspecialty-versus-general imaging journal using iThenticate
A U Kalnins1, K Halm2, M Castillo3
1From the Department of Radiology (A.U.K.), Stanford University Medical Center, Stanford, California.
AJNR. American Journal of Neuroradiology
|January 31, 2015
Summary
Self-plagiarism is uncommon in neuroradiology research, with low rates found in the American Journal of Neuroradiology (AJNR) and Radiology. Broader screening is justified to maintain journal credibility.
Area of Science:
- Medical Ethics
- Scientific Publishing
- Neuroradiology
Background:
- Self-plagiarism poses a threat to scientific journal credibility and specialty reputation.
- Journal editors utilize online plagiarism analysis tools for manuscript review.
- The American Journal of Neuroradiology (AJNR) currently screens select manuscripts and assesses a few issues annually for self-plagiarism.
Discussion:
- This study compared self-duplication rates in AJNR with Radiology, a journal that screens all submissions.
- The necessity and cost-effectiveness of expanding AJNR's screening protocols were evaluated.
- A cost analysis estimated the annual expense of screening all submitted original research manuscripts.
Key Insights:
- The prevalence of significant self-plagiarism in original research articles was low for both AJNR and Radiology, using a 15% single-source duplication threshold.
- While AJNR had more articles exceeding this threshold, most instances were minor.
- Randomly selected issues of AJNR showed no significant difference in self-duplication rates compared to an entire year's data.
Outlook:
- Despite low rates, the potential negative impact of self-plagiarism on AJNR and neuroradiology warrants the cost of more extensive screening.
- Continued vigilance and appropriate screening measures are essential for maintaining the integrity of scientific literature.
- The findings support the ongoing use and potential expansion of plagiarism detection software in academic publishing.
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