University of Occupational and Environmental Health

Region/Country

Asiatic Region
Japan
Universities and research institutions

Overall

0.574

Integrity Risk

medium

Indicators relating to the period 2020-2024

Indicator University Z-score Average country Z-score
Multi-affiliation
-0.748 -0.119
Retracted Output
-0.606 -0.208
Institutional Self-Citation
-0.879 0.208
Discontinued Journals Output
-0.200 -0.328
Hyperauthored Output
1.653 0.881
Leadership Impact Gap
3.112 0.809
Hyperprolific Authors
2.327 0.288
Institutional Journal Output
4.557 -0.139
Redundant Output
-0.242 0.778
0 represents the global average
AI-generated summary report

EXECUTIVE SUMMARY AND STRATEGIC VISION

The University of Occupational and Environmental Health demonstrates a complex integrity profile, marked by significant strengths in core research practices but also notable vulnerabilities in authorship and publication strategies. With an overall score of 0.574, the institution excels in areas critical to scientific credibility, showing very low rates of retracted output and institutional self-citation, and effectively mitigating redundant publications. These strengths suggest a robust internal culture of quality control and external validation. However, this positive foundation is contrasted by significant risks related to hyper-authored output, hyperprolific authors, and a high dependency on institutional journals, which signal potential pressures for metric-driven productivity over transparent contribution. These challenges could undermine the institution's strong thematic positioning, as evidenced by its high national rankings in Medicine (55th in Japan), Biochemistry, Genetics and Molecular Biology (64th), and Environmental Science (64th) from SCImago Institutions Rankings data. While a specific mission statement was not available, any commitment to "excellence" and "social responsibility" is threatened when authorship and publication practices may not fully reflect genuine intellectual leadership or external validation. To secure its long-term reputation, the University should leverage its evident strengths in research integrity to develop clear institutional policies on authorship criteria and guide researchers toward diversified, high-quality international publication channels.

ANALYSIS BY INDICATOR

Rate of Multiple Affiliations

The institution exhibits a Z-score of -0.748, which is notably lower than the national average of -0.119. This indicates a prudent and rigorous approach to how researcher affiliations are managed. Compared to the national standard, the University shows a more conservative profile, suggesting that its control mechanisms effectively prevent the strategic use of multiple affiliations to inflate institutional credit. While multiple affiliations are often legitimate, the institution's lower-than-average rate demonstrates a clear and well-managed process that aligns with best practices for transparency in academic collaboration.

Rate of Retracted Output

With a Z-score of -0.606, the institution's rate of retracted output is exceptionally low, positioning it favorably against the national average of -0.208. This result demonstrates a consistent and effective quality control framework. The near absence of risk signals in this critical area aligns with a national environment that is also low-risk, confirming that the institution's pre-publication review processes are robust. Retractions can stem from honest errors or misconduct, but such a low rate strongly suggests that the University’s integrity culture and methodological rigor are successfully preventing systemic failures before they reach the publication stage.

Rate of Institutional Self-Citation

The institution shows a Z-score of -0.879, a figure that signals an almost complete absence of risk and stands in stark contrast to the national average of 0.208. This demonstrates a remarkable case of preventive isolation, where the University avoids the moderate self-citation dynamics observed across the country. A certain level of self-citation is natural, but the institution's extremely low rate indicates that its research is validated by the broader international scientific community, not confined to an internal 'echo chamber.' This strong external orientation prevents any risk of endogamous impact inflation and confirms that its academic influence is earned through global recognition.

Rate of Output in Discontinued Journals

The institution's Z-score for this indicator is -0.200, slightly higher than the national average of -0.328. Although both scores reflect a low-risk environment, the University shows a minor but noticeable signal that warrants review. This suggests an incipient vulnerability where a small fraction of its research is being published in channels that may not meet long-term quality or ethical standards. While sporadic presence in such journals can occur, this slight deviation from the national norm indicates a need to reinforce information literacy among researchers to ensure they consistently select reputable and sustainable dissemination channels, thereby protecting the institution's reputation and resources.

Rate of Hyper-Authored Output

A significant alert is raised by the institution's Z-score of 1.653, which is substantially higher than the national average of 0.881. This finding indicates that the University is accentuating a vulnerability already present in the national system. While extensive author lists are legitimate in 'Big Science,' a high rate outside these contexts can signal author list inflation, which dilutes individual accountability and transparency. The institution's amplification of this national trend suggests an urgent need to examine its authorship practices to distinguish between necessary large-scale collaboration and potential 'honorary' authorship, which can compromise research integrity.

Gap between Impact of total output and the impact of output with leadership

The institution registers a Z-score of 3.112, indicating a high exposure to this risk and significantly surpassing the national average of 0.809. This wide positive gap suggests that while the University's overall impact is notable, a substantial portion of this prestige is dependent on external collaborations where it does not hold intellectual leadership. This creates a sustainability risk, as its reputation appears more exogenous than structural. The data invites a strategic reflection on whether the institution's excellence metrics are derived from genuine internal capacity or from advantageous positioning in partnerships, highlighting a need to foster and promote research where its own scholars are the driving force.

Rate of Hyperprolific Authors

The institution's Z-score of 2.327 is a significant red flag, drastically exceeding the national average of 0.288. This indicates a sharp accentuation of a national vulnerability, pointing to a high concentration of authors with extreme publication volumes. While high productivity can be legitimate, rates exceeding 50 articles per year challenge the plausible limits of meaningful intellectual contribution. This high indicator alerts to potential systemic issues such as coercive authorship, data fragmentation, or honorary authorship assignments. It signals an urgent need to investigate whether the institutional culture prioritizes quantitative metrics over the quality and integrity of the scientific record.

Rate of Output in Institutional Journals

With a Z-score of 4.557, the institution presents a monitoring alert, as this high value is an anomaly compared to the national average of -0.139. This level of activity is highly unusual for the national standard, suggesting a significant reliance on in-house publication channels. While institutional journals can be valuable, excessive dependence on them creates a conflict of interest, as the institution acts as both judge and party in the review process. This practice risks academic endogamy, where research may bypass rigorous external peer review, potentially serving as a 'fast track' to inflate publication counts without competitive validation and limiting the global visibility of its science.

Rate of Redundant Output

The institution demonstrates strong institutional resilience with a Z-score of -0.242, which is significantly lower than the national average of 0.778. This result indicates that the University's control mechanisms are effectively mitigating a risk that is moderately present at the national level. The low rate of redundant output suggests that the institution successfully discourages 'salami slicing,' the practice of fragmenting a single study into multiple minimal publications. By promoting the publication of coherent, significant work, the University upholds the integrity of the scientific record and avoids overburdening the peer-review system with artificially inflated productivity.

This report was automatically generated using Google Gemini to provide a brief analysis of the university scores.
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