| Indicator | University Z-score | Average country Z-score |
|---|---|---|
|
Multi-affiliation
|
4.186 | 1.931 |
|
Retracted Output
|
-0.259 | -0.112 |
|
Institutional Self-Citation
|
-0.248 | 0.134 |
|
Discontinued Journals Output
|
0.279 | -0.113 |
|
Hyperauthored Output
|
-0.662 | -0.083 |
|
Leadership Impact Gap
|
0.611 | -0.004 |
|
Hyperprolific Authors
|
-1.413 | 0.111 |
|
Institutional Journal Output
|
-0.268 | 0.290 |
|
Redundant Output
|
2.934 | 0.073 |
Universidade Aberta presents a dualistic integrity profile, marked by areas of exceptional control alongside significant vulnerabilities that require immediate strategic attention. With an overall score of 0.360, the institution demonstrates robust governance in key areas such as the prevention of hyperprolific authorship and the use of institutional journals, indicating a strong foundation of academic independence. However, this is contrasted by critical alerts in the Rate of Multiple Affiliations and the Rate of Redundant Output, which suggest systemic pressures that could undermine its scientific credibility. The university's academic strengths, as reflected in the SCImago Institutions Rankings, are most prominent in Arts and Humanities (18th in Portugal), Mathematics (21st), and Business, Management and Accounting (24th). To fully align with its mission to "create, transmit and spread culture, knowledge... at the service of society," it is imperative to address these integrity risks. Practices that could be perceived as artificially inflating institutional credit or fragmenting knowledge run counter to the core values of social responsibility and excellence. A focused effort to reinforce authorship policies and publication ethics will be crucial to ensure that the institution's valuable contributions to society are built upon a foundation of unquestionable scientific integrity.
The institution exhibits a Z-score of 4.186, a value that is critically higher than the national average of 1.931. This indicates that the university is not merely participating in a national trend but is significantly amplifying a pre-existing vulnerability within the Portuguese system. This sharp elevation points to a potential systemic issue. While multiple affiliations are often a legitimate result of researcher mobility or partnerships, such a disproportionately high rate signals a significant risk of strategic attempts to inflate institutional credit or engage in “affiliation shopping.” This practice can distort the perception of the university's research capacity and requires an urgent review of affiliation and authorship policies to ensure transparency and ethical credit attribution.
With a Z-score of -0.259, the institution demonstrates a lower rate of retractions compared to the national average of -0.112. This prudent profile suggests that the university's quality control and supervision mechanisms are more rigorous than the national standard. Retractions can be complex, but a low rate like this points towards effective pre-publication review processes that successfully prevent both unintentional errors and potential malpractice. This result reflects a healthy culture of integrity and methodological rigor, contributing positively to the institution's scientific reputation.
The institution's Z-score of -0.248 is notably lower than the national average of 0.134, which is already in the medium-risk range. This demonstrates strong institutional resilience, as internal control mechanisms appear to be successfully mitigating the systemic risks of academic endogamy observed elsewhere in the country. A certain level of self-citation is natural, but by maintaining a low rate, the university avoids the 'echo chambers' that can inflate impact through internal dynamics. This result suggests that the institution's academic influence is validated by the broader global community rather than relying on self-referential validation, reinforcing the external credibility of its research.
The university's Z-score of 0.279 represents a moderate deviation from the national standard, which sits at a low-risk -0.113. This suggests the institution has a greater sensitivity than its national peers to publishing in outlets of questionable quality. A high proportion of publications in journals that are later discontinued is a critical alert regarding the due diligence applied in selecting dissemination channels. This Z-score indicates that a portion of the university's scientific output is being channeled through media that may not meet international ethical or quality standards, exposing it to severe reputational risks and signaling an urgent need to improve information literacy to avoid predatory practices.
With a Z-score of -0.662, the institution maintains a more prudent profile in authorship practices than the national average of -0.083. This indicates that the university manages its collaborative processes with greater rigor than the national standard. While extensive author lists are legitimate in 'Big Science,' a controlled rate outside these contexts is a sign of good governance. The institution's lower score suggests a successful effort to prevent author list inflation, thereby preserving individual accountability and transparency and distinguishing its legitimate collaborations from potentially 'honorary' or political authorship practices.
The institution presents a Z-score of 0.611, showing a moderate deviation from the national average of -0.004. This indicates a greater sensitivity to relying on external partners for impact compared to its peers. A wide positive gap, where overall impact is high but the impact of institution-led research is low, signals a sustainability risk. This value suggests that a portion of the university's scientific prestige may be dependent and exogenous, rather than structural. It invites a strategic reflection on whether its excellence metrics are derived from genuine internal capacity or from a positioning in collaborations where it does not exercise primary intellectual leadership.
The institution's Z-score of -1.413 is in the very low-risk category, starkly contrasting with the national medium-risk average of 0.111. This demonstrates a clear preventive isolation, where the university does not replicate the risk dynamics concerning extreme productivity observed in its environment. While high productivity can be legitimate, extreme volumes often challenge the limits of meaningful intellectual contribution. This exceptionally low score indicates a healthy institutional culture that prioritizes quality over quantity, effectively mitigating risks such as coercive authorship or 'salami slicing' and safeguarding the integrity of its scientific record.
With a Z-score of -0.268, the institution shows a very low reliance on its own journals, standing in sharp contrast to the national medium-risk average of 0.290. This reflects a state of preventive isolation, where the university's publication strategy is independent of national trends toward academic endogamy. In-house journals can present a conflict of interest, as the institution acts as both judge and party. By avoiding this channel, the university ensures its scientific production undergoes independent external peer review, which enhances its global visibility and confirms that it does not use internal journals as 'fast tracks' to inflate productivity without standard competitive validation.
The institution's Z-score of 2.934 is a significant-risk signal, dramatically higher than the national medium-risk average of 0.073. This suggests the university is not just following a national trend but is actively amplifying the vulnerability. This practice, often called 'salami slicing,' involves dividing a coherent study into minimal publishable units to artificially inflate productivity metrics. Such a high value is a critical alert, as it indicates a pattern of data fragmentation that distorts the scientific evidence and overburdens the review system. It points to a culture that may be prioritizing publication volume over the generation of significant new knowledge, requiring an immediate and thorough review of research ethics and publication guidelines.