| Indicator | University Z-score | Average country Z-score |
|---|---|---|
|
Multi-affiliation
|
-0.067 | -0.119 |
|
Retracted Output
|
0.230 | -0.208 |
|
Institutional Self-Citation
|
0.137 | 0.208 |
|
Discontinued Journals Output
|
-0.441 | -0.328 |
|
Hyperauthored Output
|
0.342 | 0.881 |
|
Leadership Impact Gap
|
0.495 | 0.809 |
|
Hyperprolific Authors
|
0.223 | 0.288 |
|
Institutional Journal Output
|
-0.135 | -0.139 |
|
Redundant Output
|
0.034 | 0.778 |
Hokkaido University demonstrates a robust and generally healthy scientific integrity profile, with an overall risk score of 0.033 indicating strong foundational practices. The institution exhibits exceptional performance in areas of critical reputational importance, showing virtually no risk signals related to publishing in discontinued journals or institutional journals. However, a cluster of indicators at a medium-risk level warrants strategic attention, most notably a higher-than-national-average rate of retracted output. Despite these moderate vulnerabilities, the university consistently outperforms the national average in managing risks such as self-citation, hyper-authorship, and redundant publication, suggesting effective internal governance. This solid integrity framework supports the university's outstanding research performance, as evidenced by its top national rankings in SCImago Institutions Rankings data, particularly in fields like Veterinary (1st in Japan), Pharmacology, Toxicology and Pharmaceutics (3rd), Environmental Science (4th), and Earth and Planetary Sciences (5th). While its mission statement was not available for this analysis, any institutional goal centered on academic excellence and societal contribution is fundamentally dependent on unimpeachable research integrity. The identified risks, though moderate, could challenge this foundation if left unmonitored. A proactive approach, focusing on reinforcing pre-publication quality controls and authorship policies, will ensure that Hokkaido University's celebrated scientific leadership continues to be synonymous with the highest standards of ethical conduct.
The institution's Z-score of -0.067 is slightly higher than the national average of -0.119, though both fall within a low-risk range. This subtle difference suggests an incipient vulnerability that warrants observation. While multiple affiliations are often a legitimate result of researcher mobility or partnerships, the university's slightly elevated rate compared to its national peers could be an early signal of practices that warrant review. It is important to ensure that this trend reflects genuine, productive collaboration rather than evolving into strategic attempts to inflate institutional credit or "affiliation shopping," which could dilute the university's distinct academic identity.
With a Z-score of 0.230, the institution presents a medium-risk profile that moderately deviates from the low-risk national average of -0.208. This discrepancy is a key area for attention. Retractions are complex events, but a rate significantly higher than the national standard suggests that the university's pre-publication quality control mechanisms may be facing challenges not seen elsewhere in the country. This alerts to a potential vulnerability in the institution's integrity culture, indicating that recurring methodological issues or a lack of rigorous supervision could be present. A qualitative verification by management is recommended to understand the root causes and reinforce research oversight.
The university's Z-score of 0.137 is notably lower than the national average of 0.208, although both are classified as medium risk. This indicates a differentiated and more effective management of this particular risk. While a certain level of self-citation is natural, the national context suggests a broader trend towards scientific isolation or 'echo chambers.' Hokkaido University, by contrast, appears to moderate this risk successfully, demonstrating a healthier balance between building on its own research lines and engaging with the global scientific community. This approach mitigates the risk of endogamous impact inflation and suggests its academic influence is validated by broader external scrutiny.
The institution's Z-score of -0.441 signifies a very low risk, outperforming the already low-risk national average of -0.328. This result demonstrates a consistent and effective policy regarding publication channels. This absence of risk signals, which is even stronger than the national standard, indicates that the university's researchers exercise excellent due diligence in selecting dissemination media. This practice protects the institution from the severe reputational damage associated with 'predatory' or low-quality journals and ensures that its scientific output is channeled through credible and ethically sound venues.
With a Z-score of 0.342, the institution manages the medium risk associated with hyper-authorship more effectively than the national average of 0.881. This suggests that while extensive author lists may be a systemic pattern in the country, the university applies more rigorous standards. In fields outside of 'Big Science,' high rates of hyper-authorship can indicate author list inflation, which dilutes individual accountability. The university's more controlled rate points to better governance in distinguishing between necessary massive collaboration and potentially problematic 'honorary' authorship practices, thereby promoting greater transparency.
The institution's Z-score of 0.495 is significantly lower than the national average of 0.809, placing it in a stronger position within the same medium-risk category. This gap measures the dependency on external partners for impact, and a lower score is preferable. The university's result suggests that its scientific prestige is more structurally sound and less reliant on collaborations where it does not exercise intellectual leadership. This indicates a higher degree of research sustainability and internal capacity, reflecting that its high-impact work is more often a direct result of its own strategic direction and expertise compared to the national trend.
The university's Z-score of 0.223 is lower than the national average of 0.288, indicating better management of a medium-risk trend. Extreme individual publication volumes can challenge the credibility of meaningful intellectual contribution and may point to imbalances between quantity and quality. By maintaining a lower rate than its national peers, the institution demonstrates a more balanced academic environment. This suggests stronger oversight to mitigate risks such as coercive authorship or the assignment of authorship without real participation, prioritizing the integrity of the scientific record over the simple inflation of metrics.
With a Z-score of -0.135, the institution is in near-perfect alignment with the national average of -0.139, both reflecting a state of maximum scientific security in this area. This integrity synchrony demonstrates a shared commitment to avoiding academic endogamy. By not relying on in-house journals, which can create conflicts of interest, the university ensures its research undergoes independent external peer review. This practice strengthens the global visibility and credibility of its scientific production and confirms its adherence to the highest standards of competitive validation.
The institution's Z-score of 0.034 is exceptionally low compared to the national average of 0.778, showcasing highly differentiated management of a medium-risk practice. Massive bibliographic overlap, or 'salami slicing,' artificially inflates productivity by fragmenting studies into minimal publishable units. The university's near-zero score indicates a strong institutional culture that prioritizes the publication of coherent, significant new knowledge over volume. This stands in stark contrast to the broader national environment, positioning the university as a leader in promoting responsible and efficient scientific communication.
