| Indicator | University Z-score | Average country Z-score |
|---|---|---|
|
Multi-affiliation
|
-0.098 | -0.119 |
|
Retracted Output
|
-0.428 | -0.208 |
|
Institutional Self-Citation
|
0.424 | 0.208 |
|
Discontinued Journals Output
|
-0.352 | -0.328 |
|
Hyperauthored Output
|
0.912 | 0.881 |
|
Leadership Impact Gap
|
0.754 | 0.809 |
|
Hyperprolific Authors
|
-0.732 | 0.288 |
|
Institutional Journal Output
|
-0.268 | -0.139 |
|
Redundant Output
|
-0.011 | 0.778 |
Kagoshima University demonstrates a robust scientific integrity profile, reflected in a favorable overall risk score of -0.205. This score indicates a general alignment with, and in several key areas an outperformance of, national integrity standards. The institution's primary strengths lie in its exceptionally low rates of retracted output, publication in discontinued journals, and output in its own institutional journals, signaling strong quality control and a commitment to external validation. Areas requiring strategic attention include a medium-risk exposure to institutional self-citation, hyper-authored output, and a notable gap between its overall research impact and the impact of work where it holds intellectual leadership. According to SCImago Institutions Rankings data, the university's strongest thematic areas nationally are in Veterinary (ranked 14th), Dentistry (17th), Pharmacology, Toxicology and Pharmaceutics (23rd), and Earth and Planetary Sciences (25th). While the institution's specific mission statement was not available for this analysis, the identified medium-risk indicators—particularly those related to self-citation and impact dependency—could challenge any mission centered on achieving global excellence and societal impact through transparent and externally validated research. To fully realize its potential, Kagoshima University is encouraged to build upon its solid integrity foundation by implementing targeted policies that moderate these specific vulnerabilities, thereby ensuring its reputed thematic strengths are matched by an unimpeachable record of scientific practice.
Kagoshima University presents a Z-score of -0.098, which is statistically consistent with the national average of -0.119 for Japan. This alignment suggests that the university's approach to researcher affiliations operates within the expected norms for its national context and institutional scale. While multiple affiliations are often a legitimate result of researcher mobility or partnerships, this indicator's normal level confirms that the institution's collaborative patterns do not present signals associated with strategic attempts to inflate institutional credit or engage in “affiliation shopping.” The university’s performance is a reflection of standard, healthy collaborative engagement.
The institution demonstrates an exceptionally strong performance with a Z-score of -0.428, significantly lower than the national Z-score of -0.208. This result indicates a very low incidence of retracted publications, positioning the university as a leader in research reliability within a country that already maintains a low-risk profile. This absence of risk signals, which surpasses the national standard, points to highly effective pre-publication quality control mechanisms and a robust culture of integrity. It suggests that, unlike a scenario where a high rate might indicate systemic failures, the university's supervisory and methodological frameworks are successfully preventing the types of errors or malpractice that lead to retractions.
Kagoshima University shows a Z-score of 0.424 in this area, which is notably higher than Japan's national average of 0.208. This indicates a greater propensity for internal citation compared to its national peers, suggesting a high exposure to the associated risks. While a certain level of self-citation is natural, reflecting the continuity of research lines, this disproportionately high rate can signal the formation of 'echo chambers' where work is validated internally without sufficient external scrutiny. This value warns of the risk of endogamous impact inflation, suggesting that the institution's academic influence may be oversized by internal dynamics rather than by recognition from the broader global community, warranting a review of citation practices.
With a Z-score of -0.352, the institution shows a near-total absence of publications in discontinued journals, performing even better than the low-risk national average of -0.328. This excellent result demonstrates a strong consistency with national best practices and highlights the university's effective due diligence in selecting reputable dissemination channels. A high proportion of output in such journals would constitute a critical alert, but this very low score confirms that the institution is successfully avoiding predatory or low-quality publishing practices, thereby protecting its reputation and ensuring its research resources are channeled toward impactful and ethically sound venues.
The university's Z-score for hyper-authored output is 0.912, closely mirroring the national average of 0.881. This indicates that the institution's frequency of publications with extensive author lists reflects a systemic pattern common throughout Japan's research ecosystem. In certain "Big Science" fields, large author lists are legitimate and necessary. However, the medium-risk level, both for the university and the country, suggests that this practice may be prevalent even outside those contexts. This shared pattern serves as a signal to ensure that authorship practices distinguish between necessary massive collaboration and potential 'honorary' or political authorship, which can dilute individual accountability and transparency.
Kagoshima University has a Z-score of 0.754 for this indicator, which is slightly below the national average of 0.809. This suggests that while a dependency on external partners for impact is a common feature in the country, the university demonstrates a comparatively better capacity to generate impact from research where it exercises intellectual leadership. This reflects differentiated management that moderates a nationally prevalent risk. Nonetheless, the positive value still suggests that a significant portion of its scientific prestige is dependent and exogenous. This invites strategic reflection on how to further strengthen internal research capacity to ensure that its high-impact metrics are increasingly driven by its own structural capabilities rather than primarily through collaborations.
The institution exhibits a Z-score of -0.732, a stark contrast to the national medium-risk average of 0.288. This demonstrates remarkable institutional resilience, suggesting that internal control mechanisms are effectively mitigating the systemic pressures that may lead to hyperprolificity elsewhere in the country. While high productivity can be legitimate, extreme publication volumes often challenge the limits of meaningful intellectual contribution. The university's very low score indicates it is successfully avoiding the risks of coercive authorship or the prioritization of quantity over quality, thereby upholding the integrity of its scientific record in a way that sets it apart from the national trend.
With a Z-score of -0.268, Kagoshima University shows an almost complete absence of risk in this area, performing even more strongly than the very low-risk national average of -0.139. This signifies a state of total operational silence regarding this indicator. The university’s commitment to publishing in external, independent venues is clear and commendable. This practice avoids the conflicts of interest and academic endogamy that can arise from excessive dependence on in-house journals, where an institution acts as both judge and party. By shunning internal 'fast tracks,' the university ensures its research undergoes standard competitive validation, maximizing its global visibility and credibility.
The university's Z-score of -0.011 indicates a low level of redundant output, which is significantly healthier than the national medium-risk average of 0.778. This strong performance highlights the institution's resilience against a risk that appears more systemic at the national level. Massive bibliographic overlap between publications often indicates 'salami slicing'—the practice of fragmenting a study into minimal units to inflate productivity. By maintaining a low rate of such output, the university demonstrates a focus on publishing significant, coherent new knowledge rather than prioritizing volume, thereby contributing responsibly to the scientific record and avoiding overburdening the peer-review system.
