| Indicator | University Z-score | Average country Z-score |
|---|---|---|
|
Multi-affiliation
|
-0.280 | -0.119 |
|
Retracted Output
|
-0.456 | -0.208 |
|
Institutional Self-Citation
|
0.853 | 0.208 |
|
Discontinued Journals Output
|
-0.428 | -0.328 |
|
Hyperauthored Output
|
-0.051 | 0.881 |
|
Leadership Impact Gap
|
0.266 | 0.809 |
|
Hyperprolific Authors
|
-1.216 | 0.288 |
|
Institutional Journal Output
|
-0.268 | -0.139 |
|
Redundant Output
|
1.794 | 0.778 |
Tokyo University of Science demonstrates a strong overall scientific integrity profile, with a global risk score of -0.256 that indicates robust internal governance and responsible research practices. The institution exhibits exceptional performance in critical areas such as the near-total absence of hyperprolific authorship, retracted publications, and output in discontinued or institutional journals, setting a standard of excellence that often surpasses national benchmarks. These strengths align with the university's outstanding thematic positioning, particularly in high-impact fields like Energy (ranked 8th in Japan), Engineering, and Environmental Science, according to SCImago Institutions Rankings data. However, this solid foundation is contrasted by moderate-risk signals in Institutional Self-Citation and Redundant Output (Salami Slicing), which are more pronounced than the national average. These specific vulnerabilities could challenge the institutional mission to nurture professionals with "high ethical standards," as they suggest a potential focus on metric inflation over substantive scientific contribution. To fully align its practices with its stated values of excellence and integrity, the university is encouraged to review its internal incentive structures and publication guidelines, ensuring that its impressive research capacity continues to be a model of both innovation and ethical conduct.
With a Z-score of -0.280, the institution's rate of multiple affiliations is lower than the national average of -0.119. This suggests a prudent and rigorous approach to managing collaborative credentials. While multiple affiliations are often a legitimate result of researcher mobility or partnerships, the university's controlled rate indicates a reduced exposure to the risks of strategic "affiliation shopping" designed to inflate institutional credit. This demonstrates that the institution manages its collaborative profile with more rigor than the national standard, ensuring clarity and transparency in its partnerships.
The institution's Z-score for retracted output is -0.456, a figure that signals an exceptionally low incidence rate, even when compared to the low national average of -0.208. This absence of risk signals is a powerful testament to the effectiveness of the university's pre-publication quality control mechanisms. It suggests that systemic failures, recurring malpractice, or a lack of methodological rigor are not present, reflecting a mature culture of integrity where responsible supervision and sound scientific practice are deeply embedded in the research process.
The institution's Z-score for self-citation is 0.853, which is notably higher than the national average of 0.208. This indicates a high exposure to this specific risk factor. While a certain level of self-citation is natural for building upon established research lines, this elevated value warns of a potential for scientific isolation or the formation of an 'echo chamber.' Such a pattern risks creating an endogamous inflation of academic impact, where the institution's work is validated primarily by internal dynamics rather than through broader recognition and scrutiny from the global scientific community.
With a Z-score of -0.428, the institution shows a very low rate of publication in discontinued journals, performing better than the already low national standard (-0.328). This lack of activity is a strong positive signal, indicating excellent due diligence in the selection of publication venues. It confirms that the institution's research output is not being channeled through media that fail to meet international ethical or quality standards, thereby safeguarding its reputation and avoiding the reputational and resource risks associated with 'predatory' publishing practices.
The institution's Z-score for hyper-authored output is -0.051, a figure significantly lower than the national trend of 0.881. This demonstrates remarkable institutional resilience, suggesting that internal control mechanisms are effectively mitigating a systemic risk prevalent in the country. While extensive author lists are legitimate in 'Big Science,' the university's controlled rate indicates a successful differentiation between necessary large-scale collaboration and potentially problematic practices like author list inflation or 'honorary' authorships, thereby upholding individual accountability and transparency.
The institution exhibits a Z-score of 0.266 in this indicator, representing a much healthier balance than the national average of 0.809. This reflects a differentiated management approach that successfully moderates a common risk in the country. A wide gap can signal a sustainability risk where prestige is overly dependent on external partners. The institution's more contained gap suggests that its scientific excellence is structurally rooted in its own internal capacity and intellectual leadership, rather than being primarily derived from a strategic positioning in collaborations where it does not lead.
The institution's Z-score of -1.216 indicates a complete absence of hyperprolific authors, a stark contrast to the national environment's moderate Z-score of 0.288. This demonstrates a clear preventive isolation from this risk dynamic. By avoiding extreme individual publication volumes that challenge the limits of meaningful intellectual contribution, the institution effectively sidesteps the associated risks of imbalances between quantity and quality, such as coercive authorship or assigning credit without real participation. This reinforces a culture that prioritizes the integrity of the scientific record over the inflation of productivity metrics.
With a Z-score of -0.268, the institution's publication rate in its own journals is virtually non-existent, falling even below the very low national average (-0.139). This represents a total operational silence on this indicator, which is a strong sign of institutional integrity. By forgoing this practice, the university avoids any potential conflicts of interest where it might act as both judge and party in the publication process. This commitment ensures that its scientific production consistently undergoes independent external peer review, maximizing its global visibility and competitive validation.
The institution's Z-score for redundant output is 1.794, a level significantly higher than the national average of 0.778. This indicates a high exposure to the practice of 'salami slicing.' While citing previous work is a necessary part of cumulative science, this elevated level of bibliographic overlap suggests a potential pattern of fragmenting coherent studies into minimal publishable units to artificially inflate productivity metrics. This is a critical area for review, as such a practice can distort the scientific evidence base and overburden the peer-review system, prioritizing publication volume over the generation of significant new knowledge.
