| Indicator | University Z-score | Average country Z-score |
|---|---|---|
|
Multi-affiliation
|
0.070 | -0.119 |
|
Retracted Output
|
-0.371 | -0.208 |
|
Institutional Self-Citation
|
2.126 | 0.208 |
|
Discontinued Journals Output
|
-0.361 | -0.328 |
|
Hyperauthored Output
|
-0.754 | 0.881 |
|
Leadership Impact Gap
|
-0.721 | 0.809 |
|
Hyperprolific Authors
|
1.098 | 0.288 |
|
Institutional Journal Output
|
-0.268 | -0.139 |
|
Redundant Output
|
-0.292 | 0.778 |
The Nara Institute of Science and Technology (NAIST) demonstrates a robust and well-balanced scientific integrity profile, reflected in an overall risk score of -0.076. The institution exhibits significant strengths in operational diligence, with very low to low risk levels in areas such as publication in discontinued journals, reliance on institutional journals, and redundant output. These results indicate strong governance and a culture that prioritizes quality and external validation. However, areas requiring strategic attention include a high exposure to institutional self-citation and hyperprolific authorship, alongside a moderate deviation from national norms in multiple affiliations. These medium-risk indicators, while not critical, warrant monitoring to ensure they do not undermine the institution's core values. According to SCImago Institutions Rankings data, NAIST's scientific excellence is particularly prominent in thematic areas such as Agricultural and Biological Sciences (ranked 4th in Japan), Computer Science (12th), and Social Sciences (13th). The identified risks, particularly those related to self-citation and hyper-productivity, could challenge the institution's mission to cultivate researchers with the "highest scientific and technical competence" and a "clear grounding in professional ethics." An over-reliance on internal validation or a focus on quantity over quality could contradict these foundational principles. To fully align its practices with its mission, NAIST is encouraged to review its policies in these specific areas, thereby reinforcing its position as a leader in ethical and impactful research.
The institution presents a Z-score of 0.070, while the national average is -0.119. This represents a moderate deviation from the national standard, indicating that the center shows a greater sensitivity to risk factors associated with affiliation practices than its peers. While multiple affiliations are often a legitimate result of researcher mobility or partnerships, a rate notably higher than the country's low-risk baseline can signal strategic attempts to inflate institutional credit. This divergence suggests a need to review internal policies to ensure that affiliations consistently reflect substantive, genuine collaboration rather than "affiliation shopping" aimed at maximizing institutional metrics.
The institution's Z-score for retracted output is -0.371, compared to the national average of -0.208. This demonstrates a prudent profile, as the institution appears to manage its pre-publication quality control processes with more rigor than the national standard. A low rate of retractions suggests that such events are likely isolated instances of honest correction, which signifies responsible supervision, rather than an indicator of systemic failures in research integrity. This performance aligns with a healthy academic culture where quality control mechanisms are effective.
The institution registers a Z-score of 2.126, a figure significantly higher than the national average of 0.208. Although both the institution and the country fall within the medium-risk category, this score indicates a high exposure, making the center far more prone to showing alert signals than its environment. A certain level of self-citation is natural, but this disproportionately high rate can signal concerning scientific isolation or 'echo chambers' where work is validated without sufficient external scrutiny. This value warns of the 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's Z-score is -0.361, while the national average stands at -0.328. This reflects a low-profile consistency, where the institution's near-total absence of risk signals improves upon the already low-risk national standard. This performance indicates that a strong due diligence process is in place for selecting dissemination channels. By effectively avoiding journals that do not meet international ethical or quality standards, the institution protects itself from severe reputational risks and demonstrates a commitment to channeling its resources away from 'predatory' or low-quality publishing practices.
The institution shows a Z-score of -0.754, in stark contrast to the national average of 0.881. This result highlights a notable institutional resilience, as internal control mechanisms appear to successfully mitigate the systemic risks of authorship inflation observed at the national level. The institution's low score suggests that its authorship practices are well-governed, effectively distinguishing between necessary massive collaboration in "Big Science" contexts and potentially problematic 'honorary' or political authorship. This maintains a high degree of individual accountability and transparency in its research output.
The institution has a Z-score of -0.721, which contrasts sharply with the national average of 0.809. This score is another clear sign of institutional resilience. While there is a national tendency for impact to be dependent on external collaborations, the institution demonstrates that its scientific prestige is structural and sustainable. The low gap indicates that its high-impact research is primarily driven by projects where it exercises intellectual leadership, reflecting a strong foundation of real internal capacity rather than a strategic dependency on partners.
The institution's Z-score for hyperprolific authors is 1.098, significantly exceeding the national average of 0.288. This indicates a high exposure to this risk factor, as the center is more prone to showing alert signals in this area than its environment. While high productivity can reflect leadership, extreme individual publication volumes often challenge the limits of meaningful intellectual contribution. This indicator alerts to potential imbalances between quantity and quality, pointing to risks such as coercive authorship or the assignment of credit without real participation—dynamics that prioritize metrics over the integrity of the scientific record.
The institution records a Z-score of -0.268, which is even lower than the national average of -0.139. This signifies a state of total operational silence, with an absence of risk signals that is more pronounced than the already secure national environment. This strong performance demonstrates a clear commitment to external validation and the avoidance of academic endogamy. By not relying on in-house journals, the institution ensures its scientific production bypasses potential conflicts of interest and undergoes independent external peer review, thereby maximizing its global visibility and credibility.
The institution's Z-score is -0.292, a figure that stands in positive contrast to the national average of 0.778. This demonstrates strong institutional resilience against the national trend toward data fragmentation. While the country shows a medium risk of 'salami slicing,' the institution's low score indicates a research culture that prioritizes the communication of significant new knowledge over the artificial inflation of productivity metrics. This suggests that the practice of dividing a coherent study into minimal publishable units is not prevalent, thereby upholding the integrity of the scientific evidence produced.
