| Indicator | University Z-score | Average country Z-score |
|---|---|---|
|
Multi-affiliation
|
1.051 | -0.062 |
|
Retracted Output
|
0.286 | -0.050 |
|
Institutional Self-Citation
|
-0.114 | 0.045 |
|
Discontinued Journals Output
|
-0.188 | -0.024 |
|
Hyperauthored Output
|
-0.036 | -0.721 |
|
Leadership Impact Gap
|
-0.499 | -0.809 |
|
Hyperprolific Authors
|
0.147 | 0.425 |
|
Institutional Journal Output
|
-0.268 | -0.010 |
|
Redundant Output
|
0.277 | -0.515 |
Nanjing Normal University presents a robust scientific integrity profile, reflected in its low overall risk score of 0.123. The institution demonstrates significant strengths in managing academic endogamy and ensuring publications appear in reputable journals. However, a cluster of medium-risk indicators, including the rates of multiple affiliations, retracted output, and redundant publications, signals a need for targeted strategic oversight. These vulnerabilities require attention to ensure they do not undermine the university's considerable academic achievements, particularly in its leading research fields as identified by the SCImago Institutions Rankings data: Earth and Planetary Sciences, Environmental Science, Chemistry, and Social Sciences. Any institutional commitment to research excellence and social responsibility is intrinsically linked to scientific integrity. The identified risks, if left unaddressed, could compromise the credibility and impact of its research, creating a disconnect between its values and operational practices. By proactively addressing these specific areas, the university can fortify its reputation and ensure its scholarly contributions are both impactful and unimpeachable.
The university's rate of multiple affiliations (Z-score: 1.051) shows a moderate deviation from the national benchmark (Z-score: -0.062), indicating a greater sensitivity to this risk factor than its peers. While multiple affiliations are often a legitimate result of researcher mobility or partnerships, a disproportionately high rate can signal strategic attempts to inflate institutional credit or “affiliation shopping.” This divergence suggests a need to review institutional policies to ensure that affiliation practices reflect genuine scientific partnership rather than a pursuit of metric-driven advantages.
With a Z-score of 0.286, the institution's rate of retracted output is notably higher than the national average (Z-score: -0.050). This suggests a greater exposure to the factors leading to retractions compared to other institutions in the country. Retractions are complex events, but a rate significantly higher than the norm alerts to a potential vulnerability in the institution's integrity culture. It suggests that quality control mechanisms prior to publication may be failing more frequently than elsewhere, indicating a possible lack of methodological rigor or recurring malpractice that requires immediate qualitative verification by management.
The university demonstrates strong institutional resilience in managing self-citation, with a Z-score of -0.114 that is well below the medium-risk national trend (Z-score: 0.045). This indicates that the institution's control mechanisms are effectively mitigating a systemic risk prevalent in the country. A certain level of self-citation is natural, reflecting the continuity of research lines. However, by avoiding disproportionately high rates, the institution successfully sidesteps the risk of creating 'echo chambers' or endogamous impact inflation, ensuring its academic influence is validated by the broader global community rather than primarily by internal dynamics.
The institution maintains a prudent profile regarding its publication channels, with a Z-score of -0.188 for output in discontinued journals, which is lower than the national standard (Z-score: -0.024). This suggests that the university manages its selection of dissemination channels with more rigor than its national peers. A high proportion of publications in such journals can be a critical alert for due diligence. The university's low rate indicates a successful avoidance of media that fail to meet international ethical or quality standards, thereby protecting its reputation and preventing the misallocation of resources to 'predatory' or low-quality practices.
The institution's rate of hyper-authored output (Z-score: -0.036) is higher than the national average (Z-score: -0.721), signaling an incipient vulnerability that warrants review. Although the overall risk level is low for both, this relative increase suggests the university is beginning to show signals that are less common nationally. While extensive author lists are legitimate in 'Big Science' contexts, a rising trend outside these areas can indicate author list inflation, which dilutes individual accountability. This signal should prompt an examination of authorship practices to distinguish between necessary massive collaboration and potentially 'honorary' attributions.
A slight divergence is observed in the institution's impact dependency, with a Z-score of -0.499 compared to the country's very low-risk score of -0.809. This indicates the emergence of risk signals at the institution that are not apparent in the rest of the country. A wide positive gap—where global impact is high but the impact of institution-led research is low—signals a sustainability risk. The university's score, while still in the low-risk category, suggests a need to monitor whether its scientific prestige is being built on genuine internal capacity or becoming overly dependent on collaborations where it does not exercise intellectual leadership.
The university demonstrates differentiated management regarding hyperprolific authors, with a Z-score of 0.147 that is significantly lower than the national average (Z-score: 0.425). This shows an ability to moderate a risk that appears to be more common across the country. While high productivity can reflect leadership, extreme individual publication volumes often challenge the limits of meaningful intellectual contribution. By maintaining a lower rate, the institution mitigates the risks of coercive authorship or 'salami slicing,' better balancing the drive for quantity with a commitment to the integrity of the scientific record.
The institution's rate of publication in its own journals is exceptionally low (Z-score: -0.268), aligning with the low-risk national standard (Z-score: -0.010) and demonstrating low-profile consistency. This absence of risk signals is a positive indicator of its publication strategy. While in-house journals can be valuable, excessive dependence on them raises concerns about conflicts of interest and academic endogamy. The university's very low rate shows a clear commitment to independent external peer review, ensuring its scientific production is validated through standard competitive channels and maximizing its global visibility.
A monitoring alert is triggered for the rate of redundant output, where the institution's Z-score of 0.277 represents an unusual risk level compared to the very low-risk national standard (Z-score: -0.515). This significant disparity requires a review of its causes. Massive bibliographic overlap between simultaneous publications often indicates data fragmentation or 'salami slicing'—the practice of dividing a study into minimal publishable units to artificially inflate productivity. This high value warns that such practices may be distorting the scientific evidence produced by the institution and overburdening the review system, prioritizing volume over significant new knowledge.
