National University of Singapore

EXECUTIVE SUMMARY AND STRATEGIC VISION

The National University of Singapore demonstrates an outstanding scientific integrity profile, with an overall risk score of -0.067 indicating a robust and healthy research ecosystem. The institution exhibits exceptional performance in mitigating risks related to publication in discontinued journals, redundant output, and institutional self-citation, reflecting a strong culture of quality and external validation. This commitment to integrity underpins its global leadership, evidenced by its top-tier SCImago Institutions Rankings in key areas such as Chemistry, Business, Management and Accounting, Physics and Astronomy, and Social Sciences. However, moderate alert levels in the Rate of Multiple Affiliations and the Rate of Hyperprolific Authors, which mirror national trends, present an opportunity for proactive policy refinement. These specific risks, if left unmonitored, could subtly undermine the institutional mission "To educate, inspire and transform" by creating a perception that quantitative metrics are prioritized over substantive scholarly contribution. To fully align its operational practices with its aspirational goals, it is recommended that the University continue to fortify its areas of strength while developing targeted guidance and monitoring frameworks for authorship and affiliation practices, ensuring its transformative impact is built on an unshakeable foundation of scientific excellence and ethical responsibility.

ANALYSIS BY INDICATOR

Rate of Multiple Affiliations

The institution presents a Z-score of 0.915, which is higher than the national average of 0.724. Although both the university and the country fall within a medium-risk category, the institution's score indicates a greater exposure to the factors driving this indicator. This suggests that the university's researchers are more prone to declaring multiple affiliations than the national norm. While multiple affiliations are often a legitimate result of researcher mobility or partnerships, this heightened rate warrants a review to ensure that these practices are driven by genuine collaboration rather than strategic attempts to inflate institutional credit or "affiliation shopping," which could dilute the university's distinct brand of excellence.

Rate of Retracted Output

With a Z-score of -0.259, the institution's performance is statistically aligned with the national average of -0.240. This correspondence indicates a normal and expected level of risk for an institution of its size and context. The low rate suggests that retractions are likely isolated events, reflecting a healthy process of scientific self-correction rather than systemic issues. This performance signifies that the quality control mechanisms prior to publication are functioning effectively, and the institution maintains a responsible culture of integrity where unintentional errors can be addressed without indicating broader vulnerabilities in methodological rigor.

Rate of Institutional Self-Citation

The institution's Z-score of -0.629 is in close alignment with the national average of -0.654, demonstrating a risk level that is normal and expected for its environment. This low rate of self-citation is a positive indicator, suggesting that while established research lines show natural continuity, the university's work is validated by the broader international scientific community. This performance effectively mitigates the risk of creating scientific 'echo chambers' and confirms that the institution's academic influence is driven by global recognition rather than being inflated by endogamous or internal dynamics.

Rate of Output in Discontinued Journals

The institution's Z-score of -0.472 is perfectly synchronized with the country's average of -0.465, both at a very low-risk level. This total alignment points to an environment of maximum scientific security and shared best practices in publication strategy. It demonstrates an exemplary institutional due diligence in selecting dissemination channels, effectively avoiding the severe reputational risks associated with 'predatory' or low-quality journals. This practice ensures that research resources are channeled toward impactful and ethically sound venues, reinforcing the university's commitment to quality.

Rate of Hyper-Authored Output

The institution's Z-score of -0.029, while in the low-risk category, is notably higher than the national average of -0.295. This gap suggests an incipient vulnerability, indicating that the university shows early signals of this risk that are less prevalent at the national level. While extensive author lists are legitimate in 'Big Science' collaborations, this slight elevation warrants a proactive review. It serves as a signal to ensure that authorship practices remain transparent and accountable across all disciplines, distinguishing between necessary massive collaboration and the potential for 'honorary' or political authorship that could dilute individual responsibility.

Gap between Impact of total output and the impact of output with leadership

The institution's Z-score of -0.777 is identical to the national average, indicating complete alignment with the country's low-risk profile. This result is a strong sign of scientific maturity and sustainability. It demonstrates that the university's high-impact research is not overly dependent on external partners where it does not hold a leadership role. This balance confirms that the institution's scientific prestige is built upon a solid foundation of real internal capacity and intellectual leadership, rather than relying on strategic positioning in collaborations led by others.

Rate of Hyperprolific Authors

With a Z-score of 1.259, the institution's medium-risk level is nearly identical to the national average of 1.248. This strong correlation suggests the presence of a systemic pattern, where the institutional risk level reflects shared practices or norms at a national level. This indicator serves as an alert to potential imbalances between quantity and quality, as extreme individual publication volumes challenge the limits of meaningful intellectual contribution. The prevalence of this trend points to a need for dialogue on research assessment to mitigate risks such as coercive authorship or the assignment of authorship without real participation, which prioritize metrics over the integrity of the scientific record.

Rate of Output in Institutional Journals

The institution's Z-score of -0.147 is in the very low-risk category, similar to the national average of -0.205. However, the institution's score is slightly higher, representing a minimal but observable signal in an otherwise inert risk environment. While the rate is far from problematic, this residual noise suggests a minuscule preference for institutional journals compared to the national baseline. The overall very low rate is positive, as it confirms the university avoids the conflicts of interest and academic endogamy that can arise from over-reliance on in-house journals, ensuring its production is validated through independent, external peer review and achieves global visibility.

Rate of Redundant Output

The institution exhibits an exceptionally strong performance with a Z-score of -0.515, placing it in the 'very low' risk category and comfortably below the country's already low-risk average of -0.398. This low-profile consistency demonstrates that the institution's robust integrity standards are in perfect alignment with, and even exceed, the national standard. The clear absence of risk signals indicates a culture that prioritizes significant, coherent studies over the practice of 'salami slicing,' where research is fragmented into minimal units to artificially inflate productivity. This commitment reinforces the value of generating significant new knowledge and protects the integrity of the scientific evidence base.