- Master's admission eligibility
- Accredited Bachelor's or Master's degree in quantitative social sciences, computer science, data analytics, sociology, or public policy with strong statistical foundations (GPA 3.2/4.0 or Dutch 7.0/10).
- Doctoral admission eligibility
- Direct doctoral research positions administered in collaboration with Leiden University Graduate School of Social and Behavioural Sciences; requiring a relevant research master and approved scientific proposal.
- Language proficiency
- TOEFL iBT 100 (minimum 24 in reading and writing), IELTS Academic 7.0 overall (minimum 6.5 in all sub-scores), or Cambridge C1 Advanced.
- Research statement / Proposal
- Required for doctoral applicants and research fellows: 2,500-word proposal detailing quantitative scientometric models, open science metrics, or science-society interactions.
- Application fee
- €100 non-refundable application fee for international master's applicants applying via Leiden University portals (0 EUR for PhD employees).
- Required documentation
- Certified university diploma and transcript of records with English translations, curriculum vitae, academic writing sample, statement of purpose, and two reference letters.