| Indicator | University Z-score | Average country Z-score |
|---|---|---|
|
Multi-affiliation
|
4.897 | 4.896 |
|
Retracted Output
|
-0.634 | 0.079 |
|
Institutional Self-Citation
|
0.158 | -0.530 |
|
Discontinued Journals Output
|
0.825 | 1.017 |
|
Hyperauthored Output
|
-1.019 | -0.668 |
|
Leadership Impact Gap
|
-2.223 | 1.045 |
|
Hyperprolific Authors
|
-1.413 | -0.755 |
|
Institutional Journal Output
|
-0.268 | -0.268 |
|
Redundant Output
|
-0.657 | 0.188 |
Thamar University presents a profile of notable strengths and specific, critical vulnerabilities. With an overall integrity score of 0.109, the institution demonstrates exceptional performance in key areas of scientific practice, including a near-zero risk of retracted publications, hyperprolific authorship, and redundant output. This robust foundation is complemented by national leadership in several thematic areas, as evidenced by SCImago Institutions Rankings data, where it ranks first in Yemen for Dentistry, Environmental Science, Business, Management and Accounting, and Agricultural and Biological Sciences. However, this picture of excellence is severely compromised by a critical risk level in the Rate of Multiple Affiliations, a systemic issue shared with the national context, and a moderate risk in Institutional Self-Citation. These vulnerabilities directly challenge the university's mission "to provide distinguished educational and research services," as practices suggesting credit inflation or academic insularity can undermine the perceived distinction and external validation of its work. To fully align its operational integrity with its stated mission and thematic leadership, it is recommended that the university focus strategic interventions on mitigating these specific risks, thereby ensuring its reputation for excellence is built on a foundation of unimpeachable scientific integrity.
The institution's Z-score of 4.897 is virtually identical to the national average of 4.896, placing it in a state of a standard crisis. This indicates that the university is fully immersed in a generalized and critical risk dynamic prevalent throughout the country. While multiple affiliations can be legitimate, disproportionately high rates at this level signal a systemic pattern of strategic attempts to inflate institutional credit or engage in “affiliation shopping.” The alignment with the national trend suggests that this practice may be a deeply embedded, competitive response to shared environmental pressures rather than an isolated institutional anomaly, requiring a strategic review of collaboration and affiliation policies.
With a Z-score of -0.634, the institution demonstrates an outstandingly low risk of retractions, achieving a state of preventive isolation from the moderate risk level observed nationally (0.079). This significant positive deviation indicates that the university does not replicate the risk dynamics present in its environment. A high rate of retractions can suggest that quality control mechanisms are failing systemically; conversely, this very low score is a strong indicator of robust and effective pre-publication supervision and a healthy integrity culture that successfully prevents recurring malpractice or a lack of methodological rigor.
The university's Z-score of 0.158 reflects a moderate deviation from the national standard, which sits at a low-risk -0.530. This suggests the institution shows a greater sensitivity to this risk factor than its peers. While some self-citation is natural, a disproportionately high rate can signal concerning scientific isolation or 'echo chambers' where work is validated without sufficient external scrutiny. This divergence from the national norm warrants a review to mitigate the risk of endogamous impact inflation and ensure that the institution's academic influence is a result of global community recognition rather than being oversized by internal dynamics.
The institution exhibits differentiated management of this risk, with a Z-score of 0.825 that is notably lower than the national average of 1.017, even though both fall within a medium-risk context. This indicates that while the university is exposed to a shared national vulnerability, it moderates the risk more effectively than its peers. A high proportion of output in such journals constitutes a critical alert regarding due diligence in selecting dissemination channels. The university's better-than-average performance suggests a more rigorous process for vetting publication venues, helping to reduce reputational exposure and avoid wasting resources on 'predatory' or low-quality practices.
The institution maintains a prudent profile with a Z-score of -1.019, which is significantly more rigorous than the national standard of -0.668, though both are in a low-risk category. This demonstrates that the university manages its processes with greater control than its peers. When hyper-authorship appears outside of 'Big Science' contexts, it can indicate author list inflation, diluting individual accountability. The university's very low score signals a strong institutional norm that favors transparency and guards against 'honorary' or political authorship practices, reinforcing the integrity of its collaborative work.
The university demonstrates a profound strength in this area, with a Z-score of -2.223 indicating a state of preventive isolation from the moderate risk seen nationally (1.045). A wide positive gap suggests that scientific prestige is dependent on external partners rather than internal capacity. In contrast, the institution's exceptionally low score signifies that its research impact is structural and sustainable, driven by strong intellectual leadership from within. This result confirms that its excellence metrics are the product of genuine internal capabilities, not merely strategic positioning in collaborations led by others.
With a Z-score of -1.413, the institution shows a complete absence of risk signals, a position of low-profile consistency that is even stronger than the low-risk national average (-0.755). Extreme individual publication volumes can challenge the limits of meaningful intellectual contribution and point to risks like coercive authorship or prioritizing metrics over scientific integrity. The university's exceptionally low score indicates a healthy research environment where a balance between quantity and quality is maintained, effectively preventing practices that could compromise the scientific record.
The institution's Z-score of -0.268 is identical to the national average, reflecting a perfect integrity synchrony in an environment of maximum scientific security. This alignment shows a shared commitment to avoiding the risks of academic endogamy. Excessive dependence on in-house journals can create conflicts of interest and allow production to bypass independent external peer review. The very low scores for both the university and the country demonstrate a healthy reliance on external, competitive validation channels, which enhances global visibility and upholds rigorous academic standards.
The institution achieves a state of preventive isolation with a Z-score of -0.657, in stark contrast to the moderate-risk national average of 0.188. This indicates that the university successfully insulates itself from a national tendency toward this practice. A high rate of redundant output, or 'salami slicing,' alerts to the artificial inflation of productivity by fragmenting studies into minimal publishable units. The university's very low score points to a strong institutional culture that prioritizes the generation of significant new knowledge over the distortion of scientific evidence for metric-driven gains.
