Published December 26, 2022 | Version v1
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REPOPSI Start-Project Evaluation Using the RDA FAIR Data Maturity Model

  • 1. Vinca Institute of Nuclear Sciences, University of Belgrade
  • 2. Laboratory for Research of Individual Differences, Faculty of Philosophy, University of Belgrade


We used the FAIR Data Maturity Model to evaluate the Repository of psychological instruments in Serbian (REPOPSI) at the start of the project titled "TRUST-ification and FAIR-ification of an open repository for research instruments in psychology: REPOPSI's adoption of RDA outputs" (project team members: Aleksandra Lazić, Ljiljana Lazarević, Danka Purić, Iris Žeželj, Obrad Vučkovac).

REPOPSI is an open repository for psychological measures, scales, tests, and other research instruments in Serbian. It is maintained by researchers at the Laboratory for Research of Individual Differences (LIRA) at the Faculty of Philosophy, University of Belgrade. REPOPSI is hosted on the Open Science Framework at

We evaluated REPOPSI's Findability, Accessibility, Interoperability, and Reusability (i.e. FAIR-ness) using the "FAIR Data Maturity Model: Specification and Guidelines (1.0)" document ( developed by the RDA FAIR Data Maturity Model Working Group. We measured the progress per indicator, on a continuous scale (0 – not applicable; 1 – not being considered yet; 2 – under consideration or in planning phase; 3 – in implementation phase; 4 – fully implemented).

This record contains the checklist (XSLX and CSV) and the report (PDF), which describes the reasoning behind the determined maturity level of each indicator as well as the visualization of the evaluation results (radar charts).


This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 101017536 and is supported by the EOSC Future ( through the RDA ( Open Call mechanism (, based on evaluations of external, independent experts.



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Report: 10.5281/zenodo.8189262 (DOI)