Countries
Institutions
Fields
Rankings
Compare

Search institutions, scholars, countries and publications

Sankore

Named after the University of Sankore in Timbuktu — one of the world’s oldest centres of learning. Every figure here is computed from work-level records in our own graph, never copied from a source’s summary count.

Built from

OpenAlex — works, authorships, subject classification
ROR — institutional identity
ORCID — researcher identity
Crossref — publisher confirmation

Browse

Countries
Institutions
Fields
Rankings
What we cover

Coverage is partial and says so. A country appears with its research output only once its works have been swept; until then the portal shows whatever the graph happens to hold for it and labels it as exactly that.

Assessing psychometric properties and measurement invariance of the Sleep Quality Questionnaire among healthcare students

2024BMC PsychologyJournalOpen access

10.1186/s40359-023-01276-2 Full text14 citations

Authors

10 authors across 11 institutions in 5 countries.

Mengyi HuangFirst author
Haiyan MaCorresponding
Karen Spruyt
Joseph M. Dzierzewski
Chen Jiang
Jiaxuan He
Nongnong Yang
Yiwei Ying
Bolanle Adeyemi Ola
- Lagos State University (NG)
Runtang MengSenior authorCorresponding

Fields

Assignment is probabilistic — a work belongs to several fields in proportions.

Sleep and related disorderslevel 3 · 0.27
Health Education and Validationlevel 3 · 0.10
Health and Wellbeing Researchlevel 3 · 0.08

Sources

Several sources describing one work is the point — it means the record rests on more than one authority.

openalexseen September 9, 2026
2024 · BMC Psychology · 14 citations
https://openalex.org/W4391026628

Assessing psychometric properties and measurement invariance of the Sleep Quality Questionnaire among healthcare students · Sankore