| Indicator | University Z-score | Average country Z-score |
|---|---|---|
|
Multi-affiliation
|
0.685 | 0.648 |
|
Retracted Output
|
-0.324 | -0.189 |
|
Institutional Self-Citation
|
-0.143 | -0.200 |
|
Discontinued Journals Output
|
-0.487 | -0.450 |
|
Hyperauthored Output
|
1.535 | 0.859 |
|
Leadership Impact Gap
|
0.501 | 0.512 |
|
Hyperprolific Authors
|
-0.455 | -0.654 |
|
Institutional Journal Output
|
-0.268 | -0.246 |
|
Redundant Output
|
-0.016 | 0.387 |
Université PSL demonstrates a robust scientific integrity profile, with an overall risk score of -0.105 that positions it favorably against the global average. The institution's primary strengths lie in its exemplary diligence in selecting publication venues, reflected in very low risk scores for output in discontinued or institutional journals. Furthermore, PSL shows commendable resilience by maintaining lower rates of retracted and redundant output compared to national trends, underscoring effective internal quality controls. The most significant area for strategic attention is the high rate of hyper-authored output, which notably exceeds the national average and presents a clear vulnerability. According to SCImago Institutions Rankings data, this strong integrity framework supports world-class research performance, with top-tier national rankings in key areas such as Earth and Planetary Sciences, Energy, Arts and Humanities, and Social Sciences. This performance directly aligns with the university's mission to "impact society" and train "responsible" leaders. However, the risk of authorship inflation could undermine the principle of individual accountability central to this mission. To fully harmonize its operational practices with its aspirational goals, it is recommended that PSL focuses on developing clearer institutional guidelines on authorship, thereby cementing its status as a global leader in both research excellence and scientific integrity.
The institution's Z-score of 0.685 is closely aligned with the national average of 0.648, indicating that its affiliation practices reflect a systemic pattern common within the French research ecosystem. This suggests that the observed rate is likely influenced by shared national policies or collaborative structures, such as partnerships with major research organizations. While multiple affiliations are often a legitimate result of researcher mobility or formal partnerships, this medium-risk signal warrants attention as disproportionately high rates can be used strategically to inflate institutional credit or signal “affiliation shopping,” which could obscure the true origin of research contributions.
With a Z-score of -0.324, the institution exhibits a more prudent profile than the national standard (-0.189). This lower-than-average rate of retractions suggests that the university's quality control and supervision mechanisms are particularly effective. Retractions can sometimes signify responsible error correction, but a consistently low rate is a strong indicator of robust pre-publication review processes. This performance suggests that systemic failures, recurring malpractice, or a lack of methodological rigor are being successfully mitigated, protecting the institution's reputation and reinforcing its commitment to a culture of integrity.
The institution's Z-score of -0.143, while in the low-risk category, is slightly higher than the national average of -0.200, pointing to an incipient vulnerability. A certain level of self-citation is natural and reflects the continuity of research lines. However, this subtle deviation from the national norm serves as an early warning signal for potential scientific isolation or 'echo chambers,' where the institution's work might be validated internally without sufficient external scrutiny. Continued monitoring is advisable to ensure that the university's academic influence remains driven by global community recognition rather than being oversized by internal dynamics.
The institution demonstrates total operational silence in this area, with a Z-score of -0.487 that is even lower than the already minimal national average of -0.450. This complete absence of risk signals is exemplary, indicating a highly effective and rigorous due diligence process for selecting dissemination channels. This performance confirms that the institution's researchers are successfully avoiding predatory or low-quality publication venues, thereby safeguarding its reputation and ensuring that scientific resources are channeled toward impactful and ethically sound outlets.
The institution's Z-score of 1.535 represents a significant risk and a point of critical concern, as it markedly amplifies the vulnerability already present in the national system (0.859). This finding suggests that the practice of including extensive author lists is more pronounced at the institution than elsewhere in the country. While such lists are legitimate in 'Big Science' fields, a high rate outside these contexts can indicate author list inflation, which dilutes individual accountability and transparency. This signal warrants an urgent internal review to distinguish between necessary massive collaboration and potentially problematic 'honorary' or political authorship practices that could compromise research integrity.
With a Z-score of 0.501, the institution's performance mirrors the national average of 0.512, reflecting a systemic pattern of reliance on external partners for impact. This medium-risk value suggests that while the university's global impact is strong, its scientific prestige may be dependent and exogenous rather than structurally embedded. This situation is common for institutions engaged in extensive collaboration, but it signals a potential sustainability risk. It invites a strategic reflection on whether excellence metrics result from genuine internal capacity or from strategic positioning in collaborations where the institution does not exercise primary intellectual leadership.
The institution's Z-score of -0.455 indicates a low overall risk but also an incipient vulnerability when compared to the lower national average of -0.654. This suggests that while not a systemic issue, the institution has a slightly greater tendency to host hyperprolific authors than its national peers. Extreme individual publication volumes can challenge the perceived limits of meaningful intellectual contribution and may signal imbalances between quantity and quality. This indicator serves as a prompt to ensure that institutional culture continues to prioritize scientific integrity over pure metrics, guarding against risks such as coercive authorship or credit assigned without real participation.
The institution demonstrates perfect integrity synchrony with its national environment, with a Z-score of -0.268 that is fully aligned with the country's very low-risk average of -0.246. This result indicates a strong commitment to external, independent peer review and global dissemination. By avoiding over-reliance on in-house journals, the institution effectively mitigates potential conflicts of interest and the risk of academic endogamy, where production might bypass standard competitive validation. This practice enhances the global visibility and credibility of its research output.
The institution shows remarkable institutional resilience, with a Z-score of -0.016 that places it in the low-risk category, in stark contrast to the medium-risk national average of 0.387. This demonstrates that the university's control mechanisms are effectively mitigating a risk that is more prevalent in its environment. The low score indicates a strong defense against the practice of 'salami slicing,' where a single study is fragmented into minimal publishable units to artificially inflate productivity. This commitment to publishing coherent, significant findings not only strengthens the scientific record but also showcases a culture of responsible research conduct.