| Indicator | University Z-score | Average country Z-score |
|---|---|---|
|
Multi-affiliation
|
-0.252 | -0.119 |
|
Retracted Output
|
-0.249 | -0.208 |
|
Institutional Self-Citation
|
0.570 | 0.208 |
|
Discontinued Journals Output
|
-0.545 | -0.328 |
|
Hyperauthored Output
|
-0.735 | 0.881 |
|
Leadership Impact Gap
|
0.755 | 0.809 |
|
Hyperprolific Authors
|
-1.413 | 0.288 |
|
Institutional Journal Output
|
-0.268 | -0.139 |
|
Redundant Output
|
1.109 | 0.778 |
Tokyo Gakugei University presents a robust scientific integrity profile, with an overall risk score of -0.292 indicating performance that is commendably better than the global average. The institution demonstrates exceptional strengths in areas of fundamental research ethics, showing very low to non-existent risk signals in the Rate of Output in Discontinued Journals, the Rate of Hyperprolific Authors, and the Rate of Output in Institutional Journals. These results point to a strong culture of due diligence and a focus on quality over questionable metrics. However, areas requiring strategic attention include a higher-than-average tendency towards Institutional Self-Citation and Redundant Output, which suggest potential internal pressures for productivity that could be refined. This solid integrity foundation supports the university's recognized academic excellence, particularly in fields like Earth and Planetary Sciences, where it ranks among the top 80 institutions in Japan according to SCImago Institutions Rankings data. The identified vulnerabilities, while moderate, could subtly undermine the core mission to "foster talented educators" with a "rich humanism and a scientific mindset." Practices that create scientific echo chambers or prioritize volume over substance are misaligned with the goal of contributing authentically to a just society. By proactively addressing these medium-risk indicators, the university can further enhance the alignment between its research practices and its profound mission, ensuring its contributions to world peace and human coexistence are built on a foundation of unimpeachable scientific integrity.
The institution demonstrates a prudent and well-managed approach to academic collaboration, with a Z-score of -0.252, which is more rigorous than the national standard of -0.119. This indicates that the university's processes for managing affiliations are more controlled than those of its national peers, both operating within a low-risk context. While multiple affiliations are often a legitimate result of researcher mobility and partnerships, the university's contained rate suggests a low probability of strategic "affiliation shopping" to artificially inflate institutional credit, reflecting a healthy and transparent approach to collaborative work.
With a Z-score of -0.249, the institution shows a slightly lower rate of retractions than the national average of -0.208, positioning it as a prudent actor within a low-risk environment. This suggests that the university's pre-publication quality control mechanisms and supervisory processes are particularly effective. A low rate of retractions is a positive signal of a healthy integrity culture, indicating that systemic errors or recurring malpractice are not a significant concern and that research is conducted with a high degree of methodological rigor.
The university shows a higher exposure to the risks associated with institutional self-citation than its national counterparts, with a Z-score of 0.570 compared to the country's 0.208. Although both fall within a medium-risk band, this elevated rate suggests a greater institutional tendency to form 'echo chambers' where research is validated internally rather than by the broader scientific community. While a certain level of self-citation is natural, this disproportionately high rate warns of potential endogamous impact inflation, where the institution's academic influence may be oversized by internal dynamics rather than by external recognition, a trend that warrants strategic review.
The university exhibits an exemplary low rate of publication in discontinued journals, with a Z-score of -0.545, which is significantly more secure than the national low-risk standard of -0.328. This absence of risk signals demonstrates a consistent and effective due diligence process in selecting publication venues. This practice protects the institution from severe reputational risks and confirms that its researchers are successfully navigating the complex publishing landscape to avoid predatory or low-quality media, ensuring that scientific output is channeled through credible and enduring platforms.
The institution demonstrates notable resilience against the national trend toward hyper-authorship. With a Z-score of -0.735 (low risk), it stands in stark contrast to the country's medium-risk score of 0.881, suggesting that its internal control mechanisms act as an effective filter. This indicates that the university's policies or culture successfully distinguish between necessary massive collaboration and questionable practices like 'honorary' authorship. By mitigating this systemic risk, the institution upholds a higher standard of individual accountability and transparency in its publications.
The university demonstrates differentiated management of its research impact strategy, with a Z-score of 0.755, which is slightly more contained than the national average of 0.809. This indicates that the institution is moderating a risk that is common across the country. The existing gap suggests some reliance on external partners for achieving high-impact publications, but its relative moderation points to a healthier balance between collaborative and institution-led research. This invites a strategic reflection on how to further build internal capacity to ensure that scientific prestige becomes increasingly structural and less dependent on collaborations where the institution does not exercise primary intellectual leadership.
The university effectively isolates itself from the national tendency toward hyperprolific authorship, registering a Z-score of -1.413 that signifies a near-total absence of this risk. This is in sharp contrast to the medium-risk dynamics observed across the country (0.288). This preventive isolation suggests a strong institutional culture that prioritizes the quality and integrity of the scientific record over sheer publication volume, successfully avoiding the potential for coercive authorship or the assignment of credit without meaningful intellectual contribution.
In its use of institutional journals, the university demonstrates total operational silence, with a Z-score of -0.268 that is even more conservative than the already minimal national average (-0.139). This complete absence of risk signals indicates that the institution is not reliant on its own journals for dissemination, thereby avoiding any potential conflicts of interest where it would act as both judge and party. This commitment to external validation ensures that its scientific production overwhelmingly passes through independent peer review, maximizing its global visibility and competitive standing.
The institution exhibits a higher exposure to redundant publication practices than its national peers, with a Z-score of 1.109 that surpasses the country's medium-risk average of 0.778. This elevated signal for 'salami slicing' warrants attention, as it suggests a greater risk of researchers fragmenting coherent studies into minimal publishable units to artificially inflate productivity metrics. This practice can distort the available scientific evidence and overburden the review system, prioritizing publication volume over the generation of significant new knowledge.
