| Indicator | University Z-score | Average country Z-score |
|---|---|---|
|
Multi-affiliation
|
1.185 | 1.931 |
|
Retracted Output
|
-0.493 | -0.112 |
|
Institutional Self-Citation
|
-0.150 | 0.134 |
|
Discontinued Journals Output
|
-0.297 | -0.113 |
|
Hyperauthored Output
|
-0.184 | -0.083 |
|
Leadership Impact Gap
|
-0.047 | -0.004 |
|
Hyperprolific Authors
|
-0.364 | 0.111 |
|
Institutional Journal Output
|
-0.073 | 0.290 |
|
Redundant Output
|
0.255 | 0.073 |
Universidade Nova de Lisboa (UNL) demonstrates a robust scientific integrity profile, with an overall risk score of -0.139 that indicates a performance generally superior to the national standard. The institution's primary strengths lie in its exceptionally low rate of retracted publications and its marked resilience against national tendencies toward institutional self-citation and hyperprolific authorship. These positive indicators are counterbalanced by medium-risk signals in the rates of multiple affiliations and redundant output, the latter of which exceeds the national average and warrants strategic attention. This strong integrity framework supports UNL's outstanding academic positioning, as evidenced by its high national rankings in diverse fields such as Arts and Humanities, Medicine, and Pharmacology, Toxicology and Pharmaceutics, according to SCImago Institutions Rankings data. While the institution's practices largely align with its mission to "serve society... through excellence in teaching and research," the identified risks, particularly redundant output, could challenge the principle of "excellence" by potentially prioritizing publication volume over substantive contribution. To fully realize its mission, UNL is encouraged to address these specific vulnerabilities, thereby solidifying its leadership in both academic achievement and research ethics.
The institution presents a Z-score of 1.185, while the national average is 1.931. Although both the university and the country exhibit medium-level signals for this indicator, the institution demonstrates a more controlled approach. This suggests a differentiated management of collaborative practices, moderating a risk that appears more common at the national level. While multiple affiliations are often a legitimate result of researcher mobility or partnerships, this indicator signals the need for continued oversight to ensure these practices are driven by genuine scientific collaboration rather than strategic attempts to inflate institutional credit or engage in “affiliation shopping.”
With an institutional Z-score of -0.493 compared to the country's -0.112, the university shows an exceptionally low incidence of retracted publications. This near-absence of risk signals is a strong positive sign, surpassing the already low-risk national standard. Retractions can be complex, but such a minimal rate strongly suggests that the institution's quality control and supervision mechanisms prior to publication are highly effective. This performance is indicative of a mature integrity culture where methodological rigor and responsible research conduct are successfully embedded, preventing the systemic failures that can lead to post-publication corrections.
The institution's Z-score of -0.150 contrasts favorably with the national average of 0.134. This demonstrates significant institutional resilience, as the university maintains a low-risk profile in an environment where medium-level risk is more common. A certain degree of self-citation is natural, but UNL's controlled rate indicates it successfully avoids the "echo chambers" that can arise from excessive self-validation. This suggests the institution's academic influence is built on broad recognition from the global community rather than being inflated by endogamous or internal citation dynamics.
The university's Z-score of -0.297 is notably lower than the national average of -0.113. This prudent profile indicates that the institution manages its publication processes with greater rigor than the national standard. A low rate of publication in discontinued journals is a critical sign of due diligence in selecting dissemination channels. By effectively avoiding media that fail to meet international ethical or quality standards, the institution protects itself from severe reputational risks and demonstrates a commitment to information literacy, ensuring research efforts are not wasted on predatory or low-impact venues.
With a Z-score of -0.184, the institution maintains a more prudent profile than the national average of -0.083. This indicates that the university manages authorship practices with more rigor than the typical standard in its context. While extensive author lists are legitimate in "Big Science," a controlled rate outside these areas is a positive signal. It suggests that the institution successfully distinguishes between necessary massive collaboration and potential author list inflation, thereby preserving individual accountability and transparency in its research contributions.
The institution's Z-score for this indicator is -0.047, which is statistically normal and aligns closely with the national average of -0.004. This result indicates a healthy and sustainable research ecosystem. A low gap suggests that the institution's scientific prestige is not overly dependent on external partners but is instead structural and driven by its own internal capacity. This balance is a sign of strength, showing that UNL's excellence metrics result from genuine intellectual leadership within its collaborations, rather than just strategic positioning.
The university's Z-score of -0.364 is significantly lower than the country's medium-risk score of 0.111. This disparity highlights the institution's resilience, as its internal control mechanisms appear to effectively mitigate systemic risks present in the national environment. While high productivity can be legitimate, extreme publication volumes can challenge the limits of meaningful intellectual contribution. UNL's low score suggests a culture that successfully balances quantity and quality, avoiding the risks of coercive authorship or the assignment of credit without real participation, thus protecting the integrity of its scientific record.
The institution shows a Z-score of -0.073, a low-risk value that stands in contrast to the national medium-risk average of 0.290. This reflects strong institutional resilience, as the university avoids a dependency on its own journals, a practice more common in the wider national system. Over-reliance on in-house journals can create conflicts of interest and academic endogamy. By favoring external, independent peer review, the institution enhances the global visibility and competitive validation of its research, steering clear of using internal channels as potential 'fast tracks' to inflate publication counts.
With a Z-score of 0.255, the institution shows a higher exposure to this risk compared to the national average of 0.073, even though both fall within the medium-risk category. This suggests the university is more prone to alert signals in this area than its peers. A high value warns of the potential practice of dividing coherent studies into 'minimal publishable units' to artificially inflate productivity, a practice known as 'salami slicing.' This pattern warrants review, as it can distort the available scientific evidence and overburden the peer-review system, prioritizing volume over the generation of significant new knowledge.
