| Indicator | University Z-score | Average country Z-score |
|---|---|---|
|
Multi-affiliation
|
-1.605 | -0.068 |
|
Retracted Output
|
-0.400 | -0.191 |
|
Institutional Self-Citation
|
2.870 | 1.380 |
|
Discontinued Journals Output
|
-0.215 | 0.691 |
|
Hyperauthored Output
|
-1.171 | 0.149 |
|
Leadership Impact Gap
|
-0.689 | 0.831 |
|
Hyperprolific Authors
|
-1.413 | -0.770 |
|
Institutional Journal Output
|
24.321 | 1.113 |
|
Redundant Output
|
-0.659 | 0.832 |
The University of Chemical Technology and Metallurgy demonstrates a strong overall integrity profile, marked by exceptional performance in controlling a wide range of scientific risks but punctuated by two critical vulnerabilities that require immediate strategic attention. The institution's overall score of 1.985 reflects a commendable foundation of responsible research practices, particularly evident in its very low rates of multiple affiliations, retracted output, hyper-authorship, hyperprolific authors, and redundant publications. These strengths are complemented by a robust standing in the SCImago Institutions Rankings, where it holds leading national positions in key thematic areas such as Biochemistry, Genetics and Molecular Biology (#1 in Bulgaria), Pharmacology, Toxicology and Pharmaceutics (#2), and Physics and Astronomy (#2). However, this profile of excellence is directly challenged by significant risk levels in Institutional Self-Citation and an extremely high Rate of Output in Institutional Journals. These two indicators suggest a pattern of academic insularity that could undermine the institution's mission to prepare "highly qualified specialists" and develop a "scientific heritage" of global relevance. True excellence and high qualification depend on external validation and engagement with the international scientific community, whereas these practices risk creating an echo chamber that limits visibility and credibility. By addressing these specific, isolated issues of endogamy, the University has the opportunity to fully align its operational practices with its stated mission, solidifying its position as a national leader with unimpeachable scientific integrity.
The institution presents a Z-score of -1.605, which is significantly lower than the national average of -0.068. This result indicates a state of low-profile consistency, where the complete absence of risk signals aligns with and improves upon the national standard. While multiple affiliations can be legitimate, disproportionately high rates can signal attempts to inflate institutional credit. The University's very low score demonstrates clear and transparent authorship and affiliation practices, effectively avoiding any ambiguity or suggestion of "affiliation shopping" and reinforcing a culture of straightforward academic attribution.
With a Z-score of -0.400, the institution shows a very low risk level, consistent with the country's low-risk score of -0.191. This alignment suggests that the institution's pre-publication quality control mechanisms are functioning effectively and in line with national norms. Retractions can sometimes signify responsible supervision through the correction of honest errors; however, a high rate can point to systemic failures. In this case, the very low score indicates that there is no evidence of recurring malpractice or a lack of methodological rigor that would compromise the integrity of the institution's published record.
The institution's Z-score of 2.870 is at a significant risk level, starkly contrasting with the country's medium-risk average of 1.380. This pattern indicates a risk accentuation, where the University 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 degree of scientific isolation or an 'echo chamber' where work is validated without sufficient external scrutiny. This poses a serious risk of endogamous impact inflation, suggesting that the institution's academic influence may be oversized by internal dynamics rather than by recognition from the global scientific community.
The institution exhibits a low-risk Z-score of -0.215, which is a notably positive deviation from the national medium-risk average of 0.691. This demonstrates institutional resilience, suggesting that internal control mechanisms are successfully mitigating a systemic risk prevalent in the country. A high proportion of publications in discontinued journals can signal a failure in due diligence and expose an institution to reputational risks from 'predatory' practices. The University's favorable score indicates that its researchers are effectively selecting high-quality, reputable dissemination channels, thereby protecting institutional resources and credibility.
With a Z-score of -1.171, the institution shows a very low risk, marking a clear preventive isolation from the medium-risk dynamics observed at the national level (0.149). This result indicates that the institution does not replicate the risk of author list inflation seen elsewhere in the country. Outside of 'Big Science' contexts, high rates of hyper-authorship can dilute individual accountability. The University's score suggests that its authorship practices are transparent and well-governed, effectively distinguishing between necessary massive collaboration and potentially problematic 'honorary' authorship.
The institution's Z-score of -0.689 places it in the low-risk category, a more favorable position than the country's medium-risk average of 0.831. This gap reflects institutional resilience, as it indicates that the University's scientific prestige is not overly dependent on external partners. A wide positive gap can signal that an institution's impact is largely exogenous and not a result of its own intellectual leadership. The University's score suggests a sustainable model where scientific excellence is structural and driven by internal capacity, mitigating the risk of a reputation built on collaborations where it does not lead.
The institution's Z-score of -1.413 is in the very low-risk category, performing even better than the low-risk national standard of -0.770. This low-profile consistency shows an absence of risk signals in this area. Extreme individual publication volumes can challenge the limits of meaningful intellectual contribution and may point to issues like coercive authorship or a focus on quantity over quality. The University's very low score indicates a healthy research environment where productivity is balanced with scientific rigor, upholding the integrity of the scientific record.
The institution displays an exceptionally high Z-score of 24.321, representing a critical risk and a dramatic accentuation of the medium-risk vulnerability present in the national system (1.113). This extreme dependence on its own journals raises a severe conflict of interest, as the institution acts as both judge and party in the publication process. This practice is a strong warning of academic endogamy, where scientific work may be bypassing independent external peer review, thus limiting its global visibility and impact. Such a high value urgently suggests that internal channels may be used as 'fast tracks' to inflate publication counts without undergoing standard competitive validation, a practice that requires immediate and thorough review by management.
With a Z-score of -0.659, the institution is in the very low-risk category, effectively demonstrating a preventive isolation from the medium-risk trend observed nationally (0.832). This indicates that the practice of fragmenting a single study into multiple 'minimal publishable units' to artificially inflate productivity is not a concern. High rates of redundant output, or 'salami slicing,' distort the scientific evidence and overburden the peer-review system. The University's excellent score suggests its research culture prioritizes the publication of significant, coherent new knowledge over sheer volume.
