| Indicator | University Z-score | Average country Z-score |
|---|---|---|
|
Multi-affiliation
|
0.409 | 0.349 |
|
Retracted Output
|
-0.137 | 0.121 |
|
Institutional Self-Citation
|
2.896 | 0.437 |
|
Discontinued Journals Output
|
0.524 | 0.600 |
|
Hyperauthored Output
|
-0.631 | -0.427 |
|
Leadership Impact Gap
|
0.568 | 1.206 |
|
Hyperprolific Authors
|
0.167 | -0.511 |
|
Institutional Journal Output
|
-0.268 | -0.268 |
|
Redundant Output
|
0.630 | 0.459 |
Nnamdi Azikiwe University presents a complex integrity profile, with an overall risk score of 0.268 indicating a performance that requires strategic attention. The institution demonstrates notable strengths in maintaining a very low rate of output in its own journals and effectively controlling hyper-authorship and retracted publications, suggesting robust governance in these specific areas. However, these strengths are counterbalanced by a significant vulnerability in institutional self-citation, which is a critical outlier, and moderate risks across multiple indicators including multiple affiliations, hyperprolific authorship, and redundant output. These findings are particularly relevant given the University's strong national standing in key research areas, as evidenced by SCImago Institutions Rankings data placing it among the top institutions in Nigeria for Chemistry (3rd), Earth and Planetary Sciences (4th), and Environmental Science (4th). The identified risk of academic insularity, particularly the high self-citation rate, poses a direct challenge to the University's mission "to use teaching, research, and public service to solve social problems... in the Nigerian society and beyond." An over-reliance on internal validation risks disconnecting research from the global and local communities it aims to serve, undermining the practical impact and external credibility essential for solving societal problems. To safeguard its academic reputation and fully realize its mission, the University is advised to leverage this analysis to reinforce its integrity framework, focusing on mitigating the identified vulnerabilities to ensure its research excellence is both sustainable and globally recognized.
The University's Z-score for this indicator is 0.409, while the national average is 0.349. This indicates that the institution is slightly more prone to the risks associated with multiple affiliations than its national peers, reflecting a pattern of high exposure within a shared systemic context. While multiple affiliations are often a legitimate result of researcher mobility or partnerships, this elevated rate suggests a need for vigilance. It serves as a signal to review affiliation practices to ensure they represent genuine collaboration rather than strategic attempts to inflate institutional credit or "affiliation shopping," thereby safeguarding the transparency of the University's research partnerships.
With a Z-score of -0.137, the University demonstrates a low-risk profile in retracted publications, a notable achievement when compared to the national average of 0.121, which falls into a medium-risk category. This contrast suggests a high degree of institutional resilience, where internal control mechanisms appear to be successfully mitigating systemic risks that are more prevalent at the country level. Retractions can be complex, but a rate significantly lower than the national trend points towards effective pre-publication quality control and a strong integrity culture, indicating that potential methodological or ethical issues are likely being addressed before they escalate.
The University exhibits a Z-score of 2.896 in institutional self-citation, a critically high value that starkly contrasts with the national medium-risk average of 0.437. This result indicates a significant risk accentuation, where the institution amplifies a vulnerability already present in the national system. A certain level of self-citation is natural, but this disproportionately high rate signals a concerning level of scientific isolation. This practice creates an academic 'echo chamber' where the institution's work may lack sufficient external scrutiny, leading to a risk of endogamous impact inflation. It urgently suggests that the institution's perceived academic influence may be oversized by internal dynamics rather than by genuine recognition from the global scientific community.
The University's Z-score of 0.524 for output in discontinued journals is positioned favorably against the national average of 0.600. Although both scores fall within a medium-risk band, the University's lower value points to a more differentiated management of this issue. It suggests that the institution is moderating a risk that appears more common across the country. A high proportion of publications in such journals is a critical alert regarding due diligence in selecting dissemination channels. The University's relative success in this area indicates better-than-average processes for guiding researchers away from media that fail to meet international ethical or quality standards, thereby reducing exposure to severe reputational risks associated with 'predatory' practices.
The University maintains a Z-score of -0.631 in hyper-authored output, which is lower than the national average of -0.427. This comparison highlights a prudent institutional profile, suggesting that the University manages its authorship attribution processes with more rigor than the national standard. While extensive author lists are legitimate in 'Big Science' contexts, a low score outside of these fields is a positive sign. It indicates strong governance that effectively discourages author list inflation, thereby promoting individual accountability and transparency in research contributions.
With a Z-score of 0.568, the University's gap between its overall impact and the impact of its researcher-led output is considerably smaller than the national average of 1.206. This reflects a differentiated management strategy, where the institution successfully moderates the risk of impact dependency that is more pronounced nationally. A wide gap can signal a sustainability risk, suggesting that scientific prestige is dependent on external partners rather than built on internal capacity. The University's more balanced score indicates a healthier ecosystem where its researchers are more frequently exercising intellectual leadership in their collaborations, pointing to a more structural and sustainable model of academic excellence.
The University's Z-score for hyperprolific authors is 0.167, placing it in a medium-risk category, which represents a moderate deviation from the low-risk national average of -0.511. This divergence suggests the institution has a greater sensitivity to risk factors related to extreme individual productivity compared to its national peers. While high productivity can reflect leadership, extreme volumes challenge the limits of meaningful intellectual contribution. This alert warrants a review of authorship practices to mitigate potential risks such as coercive authorship or the assignment of credit without real participation, ensuring that the institutional focus remains on the quality and integrity of the scientific record over sheer volume.
The University's Z-score of -0.268 for output in its own journals is identical to the national average, placing both in the very low-risk category. This perfect alignment demonstrates integrity synchrony and a shared commitment to avoiding the pitfalls of academic endogamy. While in-house journals can be valuable for local dissemination, an over-reliance on them can create conflicts of interest by bypassing independent external peer review. The University's minimal activity in this area is a clear strength, signaling that its scientific production is overwhelmingly subjected to standard competitive validation, which enhances its global visibility and credibility.
With a Z-score of 0.630, the University shows a higher rate of redundant output compared to the national average of 0.459. Although both fall within the medium-risk level, this score indicates a high exposure, suggesting the institution is more prone to this practice than its environment. This pattern alerts to the risk of 'salami slicing,' where a coherent study is fragmented into minimal publishable units to artificially inflate productivity metrics. This practice not only distorts the scientific evidence base but also overburdens the peer review system, prioritizing publication volume over the generation of significant new knowledge.