| Indicator | University Z-score | Average country Z-score |
|---|---|---|
|
Multi-affiliation
|
0.153 | -0.119 |
|
Retracted Output
|
-0.390 | -0.208 |
|
Institutional Self-Citation
|
0.768 | 0.208 |
|
Discontinued Journals Output
|
-0.516 | -0.328 |
|
Hyperauthored Output
|
-0.653 | 0.881 |
|
Leadership Impact Gap
|
0.192 | 0.809 |
|
Hyperprolific Authors
|
-1.413 | 0.288 |
|
Institutional Journal Output
|
-0.268 | -0.139 |
|
Redundant Output
|
1.591 | 0.778 |
The Tokyo University of Marine Science and Technology presents a robust scientific integrity profile, marked by an overall low-risk score of -0.278. This performance reflects a strong foundation in responsible research practices, particularly evident in its exceptional control over publication quality, with minimal signals related to retracted output, hyperprolific authors, or publications in discontinued or institutional journals. However, areas requiring strategic monitoring include a higher-than-average tendency towards institutional self-citation and redundant output, which suggest a potential for insularity. These observations are contextualized by the institution's significant thematic strengths, as highlighted by SCImago Institutions Rankings data, where it holds prominent national positions in Earth and Planetary Sciences, Engineering, and Agricultural and Biological Sciences. To fully align with its mission of facilitating "sustainable development of human society," it is crucial to address the identified risks. Practices that could be perceived as prioritizing internal validation or publication volume over novel, externally-vetted contributions may undermine the credibility and global impact necessary to fulfill this societal commitment. A proactive focus on broadening collaborative impact and ensuring the coherence of its scientific contributions will reinforce the institution's role as a leader in marine studies and technology.
The institution's Z-score of 0.153 for this indicator shows a moderate deviation from the national Z-score of -0.119. This suggests the university displays a greater sensitivity to risk factors related to affiliation practices than its national peers. While multiple affiliations are often a legitimate result of researcher mobility or partnerships, the higher rate observed here warrants a closer look. It signals a need to verify that these affiliations stem from genuine, substantive collaborations rather than strategic attempts to inflate institutional credit or "affiliation shopping," a risk that appears more contained at the national level.
With a Z-score of -0.390, the institution demonstrates an exceptionally low rate of retracted publications, performing even better than the low-risk national average of -0.208. This low-profile consistency indicates that the institution's robust quality control mechanisms are fully aligned with, and even exceed, the high standards of the national research environment. The virtual absence of this risk signal suggests that pre-publication supervision is effective and that the institutional culture promotes a high degree of methodological rigor, successfully preventing the types of errors or malpractice that can lead to retractions.
The institution's Z-score of 0.768 is significantly higher than the national average of 0.208, placing it in a position of high exposure to this risk. Although a certain level of self-citation is natural, this elevated rate suggests the institution is more prone than its peers to operating within a scientific 'echo chamber.' This pattern warns of a potential for endogamous impact inflation, where the institution's academic influence might be disproportionately validated by internal dynamics rather than broader recognition from the global community, creating a risk of scientific isolation.
The institution's Z-score of -0.516 is well below the national average of -0.328, indicating a near-complete absence of this risk. This strong performance demonstrates a consistent and effective due diligence process in selecting dissemination channels for its research. By avoiding journals that fail to meet international ethical or quality standards, the institution effectively safeguards its reputation and ensures its scientific resources are invested in credible, high-impact outlets, aligning perfectly with the secure practices observed across the country.
The institution exhibits a low-risk Z-score of -0.653, contrasting sharply with the medium-risk national Z-score of 0.881. This demonstrates significant institutional resilience, as internal control mechanisms appear to successfully mitigate a systemic risk present in the wider national context. This suggests that the university has effective policies or a strong culture that discourages author list inflation and promotes transparency. By maintaining clear individual accountability, the institution acts as a firewall against questionable 'honorary' or political authorship practices that may be more common elsewhere.
With a Z-score of 0.192, the institution shows a much smaller impact gap than the national average of 0.809. This reflects a differentiated and more effective management strategy, successfully moderating a risk that appears more common across the country. A lower gap suggests that the institution's scientific prestige is not overly dependent on external partners but is rooted in its own structural capacity and intellectual leadership. This points to a sustainable model where excellence metrics are a direct result of strong internal research capabilities.
The institution's Z-score of -1.413 indicates a complete absence of hyperprolific authors, representing a clear case of preventive isolation from the medium-risk trend seen at the national level (Z-score of 0.288). This result suggests the institution's environment does not foster the dynamics that lead to extreme individual publication volumes. By effectively preventing practices that prioritize quantity over quality—such as coercive authorship or assigning credit without real participation—the institution maintains a healthy balance and upholds the integrity of its scientific record, independent of the risk dynamics observed in its environment.
The institution's Z-score of -0.268 signifies a total operational silence on this indicator, performing even more favorably than the already low-risk national average of -0.139. This exemplary result demonstrates a firm commitment to independent, external peer review. By avoiding any reliance on in-house journals, the institution eliminates potential conflicts of interest and risks of academic endogamy. This practice ensures its research is validated through standard competitive channels, thereby maximizing its global visibility and credibility.
The institution's Z-score of 1.591 is substantially higher than the national average of 0.778, indicating a high exposure to this risk. This suggests a greater tendency within the institution to fragment coherent studies into 'minimal publishable units' to artificially inflate productivity metrics. This practice, which is more pronounced here than in the broader national environment, risks distorting the scientific record and overburdening the review system by prioritizing publication volume over the dissemination of significant, holistic new knowledge.
