| Indicator | University Z-score | Average country Z-score |
|---|---|---|
|
Multi-affiliation
|
0.175 | -0.119 |
|
Retracted Output
|
-0.155 | -0.208 |
|
Institutional Self-Citation
|
0.531 | 0.208 |
|
Discontinued Journals Output
|
-0.496 | -0.328 |
|
Hyperauthored Output
|
1.982 | 0.881 |
|
Leadership Impact Gap
|
0.822 | 0.809 |
|
Hyperprolific Authors
|
-1.057 | 0.288 |
|
Institutional Journal Output
|
-0.268 | -0.139 |
|
Redundant Output
|
-0.043 | 0.778 |
The Graduate University for Advanced Studies presents a robust and generally healthy scientific integrity profile, reflected in its overall score of -0.096. This indicates a performance aligned with global best practices, though punctuated by specific areas requiring strategic attention. The institution's primary vulnerability lies in a significant rate of Hyper-Authored Output, which markedly exceeds national trends. Moderate risks are also noted in Multiple Affiliations and Institutional Self-Citation, suggesting a need to review collaboration and citation policies. Conversely, the university demonstrates exceptional strengths and a clear commitment to integrity in several critical areas, showing virtually no risk signals related to Hyperprolific Authors, publication in Discontinued Journals, or reliance on Institutional Journals. These strengths are particularly noteworthy as they represent a positive deviation from national patterns. According to SCImago Institutions Rankings data, this solid operational foundation supports leading national positions in key thematic areas such as Engineering, Physics and Astronomy, and Arts and Humanities. Although the institution's specific mission was not localized for this report, the identified risk in authorship transparency could undermine core academic values of excellence and accountability. By addressing this specific vulnerability, the university can fully align its operational practices with its evident research strengths, reinforcing its leadership and commitment to unimpeachable scientific integrity.
The institution presents a Z-score of 0.175 in this indicator, while the national average for Japan is -0.119. This moderate deviation suggests that the university shows a greater sensitivity to risk factors associated with multiple affiliations than its national peers. While many such affiliations are legitimate outcomes of collaboration, this score warrants a review to ensure that these patterns are not driven by strategic attempts to inflate institutional credit or "affiliation shopping." The divergence from the lower-risk national standard indicates a need for internal monitoring to confirm that all affiliations reflect substantive and transparent research partnerships.
With a Z-score of -0.155, the institution's rate of retracted output is low and broadly consistent with the national average of -0.208. This proximity to the national benchmark suggests a normal operational context. However, the slightly higher institutional score points to an incipient vulnerability that warrants review before it escalates. Retractions can signify responsible supervision when correcting honest errors, but this signal, however minor, suggests that a proactive review of pre-publication quality control mechanisms could further strengthen the institution's integrity culture and prevent potential systemic failures.
The institution's Z-score for self-citation is 0.531, which is notably higher than the national average of 0.208, despite both falling within the medium risk category. This indicates a high exposure to this risk, suggesting the center is more prone to these practices than its environment. A certain level of self-citation is natural, but this elevated rate warns of potential scientific isolation or 'echo chambers' where work is validated internally without sufficient external scrutiny. This dynamic could lead to an endogamous inflation of impact, where academic influence is oversized by internal dynamics rather than recognition from the global scientific community.
The university demonstrates an exemplary performance in this area, with a Z-score of -0.496, positioning it in the very low-risk category and significantly below Japan's national average of -0.328. This low-profile consistency reflects a robust due diligence process in selecting dissemination channels. The institution's clear avoidance of journals that fail to meet international ethical or quality standards protects it from severe reputational risks and indicates a strong culture of information literacy, ensuring that research efforts are not wasted on predatory or low-quality publication practices.
The institution exhibits a critical alert with a Z-score of 1.982, placing it in the significant risk category and substantially above the national medium-risk average of 0.881. This finding indicates that the university not only reflects but actively amplifies a vulnerability present in the national system. Outside of "Big Science" contexts where large author lists are standard, this high rate can signal systemic author list inflation, which dilutes individual accountability and transparency. This situation urgently calls for an internal audit to distinguish between necessary massive collaborations and the potential prevalence of 'honorary' or political authorship practices that compromise research integrity.
The institution's Z-score of 0.822 is almost identical to the national average of 0.809, indicating that its risk profile in this area is a reflection of a systemic pattern in the country. This score suggests that, like its national peers, the institution's scientific prestige may be significantly dependent on external collaborations where it does not exercise primary intellectual leadership. While partnering is essential, this value invites a strategic reflection on whether the institution's high-impact metrics are derived from genuine internal capacity or from a strategic positioning in collaborations led by others, which could pose a long-term risk to scientific sustainability.
With a Z-score of -1.057, the institution shows a complete absence of risk in this area, a stark contrast to the national medium-risk average of 0.288. This demonstrates a clear preventive isolation, where the university does not replicate the risk dynamics observed in its environment. This exceptional result suggests strong institutional policies that prioritize quality over quantity, effectively preventing potential issues like coercive authorship or the assignment of credit without meaningful intellectual contribution. The university successfully fosters a culture where the integrity of the scientific record is valued over the inflation of productivity metrics.
The institution's Z-score of -0.268 is in the very low-risk category and is even more favorable than the already low national average of -0.139. This signals a state of total operational silence, with an absence of risk signals that is even below the national standard. This performance highlights a strong commitment to independent external peer review and global visibility, avoiding the conflicts of interest and academic endogamy that can arise from excessive reliance on in-house journals. The data suggests the institution does not use internal channels as 'fast tracks' for publication, instead upholding rigorous, competitive validation standards.
The university shows a low-risk Z-score of -0.043, demonstrating institutional resilience against a national context where this risk is more pronounced (country Z-score of 0.778). This suggests that the institution's internal control mechanisms are effectively mitigating a systemic risk present in its environment. By maintaining a low rate of redundant output, the university actively discourages the practice of 'salami slicing'—artificially inflating productivity by fragmenting studies into minimal publishable units. This commitment ensures that its research contributes significant new knowledge rather than over-saturating the scientific literature with fragmented data.
