| Indicator | University Z-score | Average country Z-score |
|---|---|---|
|
Multi-affiliation
|
-0.554 | -0.119 |
|
Retracted Output
|
-0.484 | -0.208 |
|
Institutional Self-Citation
|
0.650 | 0.208 |
|
Discontinued Journals Output
|
-0.033 | -0.328 |
|
Hyperauthored Output
|
-0.051 | 0.881 |
|
Leadership Impact Gap
|
0.384 | 0.809 |
|
Hyperprolific Authors
|
-0.890 | 0.288 |
|
Institutional Journal Output
|
-0.268 | -0.139 |
|
Redundant Output
|
5.930 | 0.778 |
Okayama University of Science presents a complex integrity profile, with an overall score of 0.023 indicating a performance near the global average but characterized by significant internal contrasts. The institution demonstrates notable strengths in maintaining low rates of retracted output, hyper-authored publications, and hyperprolific authors, suggesting robust controls in key areas of research ethics and authorship. These positive indicators are complemented by strong national rankings in specialized fields, particularly Veterinary (13th in Japan), Physics and Astronomy (39th), Mathematics (53rd), and Chemistry (57th), according to SCImago Institutions Rankings data. However, this solid foundation is challenged by critical vulnerabilities, most notably a significant rate of redundant output (salami slicing) and a high rate of institutional self-citation. These practices risk undermining the university's mission "to educate individuals to contribute to society as skilled professionals," as they prioritize publication volume over substantive contribution and may foster an insular academic culture. To fully align its scientific practices with its educational ideals, the university should focus on implementing policies that encourage impactful, high-quality research, thereby ensuring that the abilities of its community are channeled towards genuine scientific advancement and societal benefit.
The institution's Z-score of -0.554 is notably lower than the national average of -0.119, indicating a more prudent and rigorous management of collaborative affiliations than the national standard. While multiple affiliations are often a legitimate result of partnerships, disproportionately high rates can signal strategic attempts to inflate institutional credit. The university’s conservative profile suggests a well-governed approach that prioritizes transparency and avoids practices that could be perceived as "affiliation shopping," reinforcing the integrity of its collaborative footprint.
With a Z-score of -0.484, the institution's rate of retracted output is virtually non-existent, aligning with and even improving upon the low-risk national environment (Z-score: -0.208). This absence of risk signals points to highly effective pre-publication quality control mechanisms. While some retractions can reflect responsible error correction, a consistently low rate like this is a strong indicator of a mature culture of integrity and methodological rigor, suggesting that research is conducted correctly from the outset.
The university's rate of institutional self-citation (Z-score: 0.650) is significantly higher than the national average (Z-score: 0.208), indicating a greater exposure to this risk compared to its peers. A certain level of self-citation is natural to reflect the continuity of research lines; however, this elevated value warns of a potential 'echo chamber.' This pattern may lead to an endogamous inflation of impact, where the institution's influence is magnified by internal dynamics rather than validated by the broader scientific community, warranting a review of citation practices to ensure sufficient external scrutiny.
The institution's Z-score of -0.033 reveals a slightly higher tendency to publish in discontinued journals compared to the more cautious national trend (Z-score: -0.328). This small deviation points to an incipient vulnerability that warrants review before it can escalate. Sporadic presence in such journals may be unintentional, but it serves as an alert regarding due diligence in selecting dissemination channels. This signal suggests a need to reinforce information literacy among researchers to avoid channeling work into media that may not meet international quality standards, thereby preventing reputational risk.
The institution demonstrates remarkable resilience against the national trend of hyper-authorship, with its Z-score of -0.051 standing in stark contrast to the country's medium-risk score of 0.881. This suggests that the university's internal governance acts as an effective filter against a systemic risk prevalent in its environment. While extensive author lists are legitimate in 'Big Science,' a low score outside these contexts, as seen here, indicates a healthy culture of accountability where authorship is likely tied to genuine contribution, successfully preventing practices like 'honorary' authorship.
The university effectively manages a risk that is more pronounced nationally, showing a smaller gap between its overall publication impact and the impact of research it leads (Z-score: 0.384) compared to the country average (Z-score: 0.809). A very wide positive gap can signal a dependency on external partners for prestige, suggesting that excellence is exogenous rather than structural. The institution's more moderate score reflects a differentiated management approach, indicating greater internal capacity for intellectual leadership and a more sustainable model for building scientific prestige.
The university exhibits exceptional control over the risk of hyperprolific authorship, with a Z-score of -0.890 that is significantly lower than the national medium-risk score of 0.288. This indicates that institutional policies or culture serve as a robust buffer against a broader national vulnerability. While high productivity can be legitimate, extreme individual publication volumes often challenge the limits of meaningful contribution. The university's low score suggests a healthy balance between quantity and quality, effectively mitigating risks such as coercive authorship or the dilution of scientific integrity for metric-driven goals.
The institution demonstrates an exemplary commitment to external validation, with a rate of publication in its own journals (Z-score: -0.268) that is even lower than the already minimal national average (Z-score: -0.139). This total operational silence in terms of risk signals a strong preference for global dissemination and independent peer review. By avoiding dependence on in-house journals, the university mitigates potential conflicts of interest and academic endogamy, ensuring its research is validated through standard competitive channels and enhancing its global visibility.
This indicator represents a critical area of concern, as the institution's Z-score for redundant output (5.930) is significantly elevated, amplifying a vulnerability that is only moderately present in the national system (Z-score: 0.778). This high value is a strong alert for the practice of 'salami slicing,' where studies are fragmented into minimal publishable units to artificially inflate productivity. This behavior not only distorts the scientific record and overburdens the review system but also prioritizes volume over the generation of significant new knowledge, demanding an urgent review of publication ethics and research assessment criteria.
