| Indicator | University Z-score | Average country Z-score |
|---|---|---|
|
Multi-affiliation
|
0.912 | -0.119 |
|
Retracted Output
|
1.225 | -0.208 |
|
Institutional Self-Citation
|
0.091 | 0.208 |
|
Discontinued Journals Output
|
-0.474 | -0.328 |
|
Hyperauthored Output
|
1.742 | 0.881 |
|
Leadership Impact Gap
|
-0.157 | 0.809 |
|
Hyperprolific Authors
|
-0.913 | 0.288 |
|
Institutional Journal Output
|
-0.268 | -0.139 |
|
Redundant Output
|
-0.486 | 0.778 |
Nippon Dental University demonstrates a profile of pronounced strengths and specific, critical vulnerabilities. The institution's overall integrity score of 0.305 reflects a dual reality: on one hand, it exhibits exceptional control over risks related to publication channels and authorship volume, such as extremely low rates of output in discontinued journals, hyperprolific authorship, and redundant publications. On the other hand, significant alerts in the Rate of Retracted Output and Rate of Hyper-Authored Output demand immediate strategic attention. The university's excellence is clearly concentrated in its core field of Dentistry, where it holds a top-10 national ranking according to SCImago Institutions Rankings data, complemented by its contributions to Medicine and Biochemistry, Genetics and Molecular Biology. This specialized leadership, however, is at odds with the identified integrity risks, which directly challenge the institutional mission to cultivate dentists of "high moral character." To fully honor its founding principles of "independence and self-reliance," it is imperative that the university addresses these vulnerabilities, ensuring its operational practices align with its stated commitment to ethical and scientific excellence.
The institution's Z-score of 0.912 contrasts with the national average of -0.119. This moderate deviation suggests the university shows a greater sensitivity to risk factors related to author affiliations than its national peers. While multiple affiliations are often a legitimate result of researcher mobility or partnerships, this elevated rate could signal strategic attempts to inflate institutional credit or “affiliation shopping” and warrants a closer review of collaboration and affiliation policies to ensure they reflect genuine scientific contribution.
A Z-score of 1.225 for the institution marks a severe discrepancy from the national average of -0.208. This atypical level of risk activity, in an otherwise low-risk national context, requires a deep integrity assessment. Retractions are complex, but a rate significantly higher than the average alerts to a critical vulnerability in the institution's integrity culture. It suggests that quality control mechanisms prior to publication may be failing systemically, indicating possible recurring malpractice or a lack of methodological rigor that requires immediate qualitative verification by management.
With a Z-score of 0.091, the institution operates below the national average of 0.208. This indicates a differentiated management approach, where the university successfully moderates a risk that appears more common across the country. A certain level of self-citation is natural, reflecting the continuity of research lines. By maintaining a lower rate than its peers, the institution mitigates the risk of creating scientific 'echo chambers' and demonstrates a healthier reliance on external scrutiny, reinforcing the global community recognition of its work.
The institution's Z-score of -0.474 is well within the very low-risk category, aligning with the national standard (Z-score -0.328). This low-profile consistency demonstrates a robust and responsible approach to selecting publication venues. The complete absence of risk signals in this area indicates that the university's researchers exercise excellent due diligence, effectively avoiding predatory or low-quality journals and thereby safeguarding the institution's resources and reputation.
The institution's Z-score of 1.742 is significantly elevated compared to the national average of 0.881. This pattern suggests an accentuation of a vulnerability already present in the national system. Outside of 'Big Science' contexts where large author lists are normal, such a high rate can indicate author list inflation, which dilutes individual accountability and transparency. This serves as a critical signal to investigate authorship practices and distinguish between necessary massive collaboration and potentially inappropriate 'honorary' or political authorship.
The institution shows a Z-score of -0.157, demonstrating notable resilience when compared to the national average of 0.809. This negative gap indicates that the impact of research led by the institution's own authors is strong, a sign of intellectual leadership. This performance suggests that effective internal control mechanisms are mitigating the country's systemic risks related to impact dependency. This result strongly affirms the university's mission of "independence and self-reliance," proving its scientific prestige is built upon genuine internal capacity rather than being dependent on external collaborations.
With a Z-score of -0.913, the institution demonstrates a preventive isolation from the risk dynamics observed nationally (Z-score 0.288). This near-total absence of hyperprolific authors is a strong positive indicator. While high productivity can be legitimate, extreme volumes often challenge the limits of meaningful intellectual contribution. By avoiding this trend, the university signals a healthy balance between quantity and quality, effectively preventing risks such as coercive authorship or the assignment of authorship without real participation, thus upholding the integrity of its scientific record.
The institution's Z-score of -0.268 reflects a total operational silence on this indicator, performing even better than the low national average of -0.139. This confirms a strong commitment to external validation and global scientific dialogue. By minimizing reliance on its own journals, the university avoids potential conflicts of interest and the risk of academic endogamy, ensuring its scientific production is vetted through independent, competitive peer review and maximizing its international visibility.
The institution's Z-score of -0.486 shows a clear preventive isolation from a practice that is more common at the national level (Z-score 0.778). This excellent result indicates a commendable focus on substance over volume. The absence of signals for redundant output suggests that researchers are publishing coherent, impactful studies rather than fragmenting their work into minimal units to artificially inflate productivity. This practice strengthens the scientific record and reflects a culture that prioritizes significant new knowledge.
