| Indicator | University Z-score | Average country Z-score |
|---|---|---|
|
Multi-affiliation
|
-0.173 | 0.648 |
|
Retracted Output
|
-0.212 | -0.189 |
|
Institutional Self-Citation
|
0.126 | -0.200 |
|
Discontinued Journals Output
|
-0.514 | -0.450 |
|
Hyperauthored Output
|
2.163 | 0.859 |
|
Leadership Impact Gap
|
0.584 | 0.512 |
|
Hyperprolific Authors
|
-0.140 | -0.654 |
|
Institutional Journal Output
|
-0.204 | -0.246 |
|
Redundant Output
|
0.640 | 0.387 |
Ecole Polytechnique demonstrates a robust overall scientific integrity profile, with a global risk score near zero (-0.042) that signals a healthy and well-managed research environment. The institution's primary strengths lie in its diligent selection of publication venues, reflected in very low-risk scores for output in discontinued or institutional journals. However, this solid foundation is contrasted by specific areas of vulnerability, most notably a significant-risk score in hyper-authored output and medium-risk signals in institutional self-citation, impact dependency, and redundant publications. According to SCImago Institutions Rankings data, the institution excels globally in key scientific domains, including Mathematics, Computer Science, and Physics and Astronomy, which aligns perfectly with its mission to train leaders in multidisciplinary science. To fully realize this mission, it is crucial to address the identified risks, as practices like authorship inflation or academic endogamy could undermine the "solid backgrounds" and innovative spirit the institution aims to cultivate. By proactively reviewing its authorship and collaboration policies, Ecole Polytechnique can ensure its operational practices fully support its strategic vision of leadership and excellence, reinforcing its position as a world-class institution.
The institution shows a low rate of multiple affiliations (Z-score: -0.173) compared to the medium-risk national average in France (Z-score: 0.648), demonstrating strong institutional resilience. This suggests that the institution's internal control mechanisms are effectively mitigating the systemic risks observed at the national level. While multiple affiliations are often a legitimate result of researcher mobility or partnerships, the institution's contained profile indicates a clear and transparent approach to declaring academic affiliations, successfully preventing potential issues like strategic "affiliation shopping" to inflate institutional credit.
The institution's rate of retracted output (Z-score: -0.212) is statistically normal and aligns closely with the national average for France (Z-score: -0.189). This indicates that the frequency of retractions is as expected for an institution of its context and size. This level suggests that the institution's quality control and post-publication correction mechanisms, which are crucial for responsible supervision, are functioning within standard parameters, without evidence of systemic failures in its integrity culture that would suggest recurring malpractice or a lack of methodological rigor.
The institution exhibits a medium-risk rate of institutional self-citation (Z-score: 0.126), which represents a moderate deviation from the low-risk national standard in France (Z-score: -0.200). This suggests the institution is more sensitive to this particular risk factor than its national peers. While a certain level of self-citation is natural and reflects the continuity of research lines, this elevated rate could signal the formation of 'echo chambers' where work is validated internally without sufficient external scrutiny. This warrants a review to ensure that the institution's academic influence is driven by global community recognition rather than being oversized by internal dynamics.
The institution demonstrates an exceptionally low rate of publication in discontinued journals (Z-score: -0.514), a figure that is even more favorable than the already very low national average for France (Z-score: -0.450). This represents a state of total operational silence regarding this risk, indicating robust due diligence in the selection of dissemination channels. The data confirms that the institution's researchers are effectively avoiding predatory or low-quality journals that do not meet international ethical standards, thereby safeguarding its resources and reputation from unethical publishing practices.
The institution presents a significant-risk rate of hyper-authored output (Z-score: 2.163), a level that markedly accentuates the medium-risk vulnerability already present in the French national system (Z-score: 0.859). This high Z-score suggests that, beyond legitimate 'Big Science' collaborations, there may be a systemic tendency toward author list inflation. This practice dilutes individual accountability and transparency, creating a critical need to distinguish between necessary massive collaboration and the potential for 'honorary' or political authorship practices that could compromise the integrity of the research record.
The institution shows a medium-risk gap between its overall publication impact and the impact of research where it holds a leadership role (Z-score: 0.584). This value indicates a higher exposure to this risk compared to the national average in France (Z-score: 0.512), suggesting a pattern shared at the systemic level but more pronounced at the institution. This gap signals a potential sustainability risk, where a significant portion of the institution's scientific prestige may be dependent on external partners rather than its own structural capacity. It invites a strategic reflection on whether its excellence metrics result from genuine internal capabilities or from strategic positioning in collaborations where it does not exercise primary intellectual leadership.
The institution's rate of hyperprolific authors is in the low-risk category (Z-score: -0.140), yet it is notably higher than the national average for France (Z-score: -0.654). This difference points to an incipient vulnerability. While the overall risk is low, the institution shows signals that warrant review before they potentially escalate. It is important to monitor that the balance between quantity and quality is maintained, ensuring that extreme individual publication volumes reflect meaningful intellectual contributions rather than practices like coercive authorship or the assignment of authorship without real participation.
The institution's rate of publication in its own journals is very low (Z-score: -0.204), demonstrating total alignment with the secure national environment in France (Z-score: -0.246). This integrity synchrony indicates that the institution is not dependent on its in-house journals for dissemination, thus avoiding potential conflicts of interest where it might act as both judge and party. This practice reinforces its commitment to independent external peer review, enhances the global visibility of its research, and confirms that internal channels are not used as 'fast tracks' to inflate CVs without standard competitive validation.
The institution's rate of redundant output is classified as medium-risk (Z-score: 0.640), indicating a higher exposure to this issue than the national average in France (Z-score: 0.387). This suggests the institution is more prone to showing alert signals related to data fragmentation or 'salami slicing.' This practice, where a coherent study is divided into minimal publishable units to artificially inflate productivity, can distort the scientific evidence and overburden the review system. This finding calls for a closer examination of publication strategies to ensure that the focus remains on generating significant new knowledge rather than prioritizing volume.
