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Royal Society Open Science· 2026Q1

Science-wide mapping of institutions based on affiliated authors' impact and research integrity proxies

John P. A. Ioannidis, Jeroen Baas, Roy Boverhof, Cyril Voyant

Short summary

A new dataset maps institutions worldwide using author impact (top-cited authors) and research integrity proxies (retractions, self-citation, discontinued titles), revealing minimal overlap between high-volume and high-proportion top-cited institutions.

AI-generated from the title and abstract; the full text is not read.

Key points

  • Institutions were mapped using author impact (top-cited authors) and research integrity proxies (retractions, self-citation, discontinued titles).
  • Data was adjusted for institution size and scientific subfields.
  • Minimal overlap exists between institutions ranked by author volume and those with the highest proportion of top-cited authors.
  • Institutions with high proportions of top-cited authors were often research institutes and tech organizations, with few universities.
  • High self-citation, discontinuation, and retraction rates were concentrated in specific countries including Saudi Arabia, China, Malaysia, Iran, India, and Indonesia.

AI-generated from the title and abstract; the full text is not read.

Abstract

Abstract We aimed to generate institution-level data of indicators that may reflect, as proxies, the impact and the research integrity of the authors affiliated with them and that also adjust for institution size and scientific subfields where these authors work. We used the Scopus database to generate institution-level data on top-cited authors (according to a composite citation indicator) and three indicators that may reflect problems with research integrity: the total number of authorships in papers retracted for reasons other than publisher/journal errors, and subfield-adjusted proportions of top-cited authors who have high (>95% percentile) self-citation rates or high (>95% percentile) rates of publications in Scopus-discontinued titles. There was modest overlap among top institutions based on volume and based on number of top-cited authors. However, there was minimal overlap when institutions with the highest proportions of top-cited authors were considered; these included mostly research institutes and tech organizations and only a minority of universities. Institutions with the highest self-citation, discontinuation and retraction penalties clustered in specific countries such as Saudi Arabia, People's Republic of China, Malaysia, Iran, India and Indonesia. The publicly available datasets that we provide allow the exploration of institution-level research assessments that balance high impact against proxies of diverse aspects of research integrity.

The authors' abstract, as published at the source. Royal Society Open Science, 2026 · DOI ↗

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Statistics, Probability and UncertaintyDecision Sciences