The integrity and reliability of academic research are of fundamental importance to the university.

Academic integrity is a cornerstone of responsible research and essential to the credibility of science. At Leiden University, we are committed to ensuring that all research is conducted in a scrupulous, fair, verifiable, impartial, and independent manner.

Code of Conduct

Leiden University adheres to the principles outlined in the Netherlands Code of Conduct for Research Integrity (2018), developed by Universities of the Netherlands. This code provides a framework for good research practices and outlines standards for integrity, transparency, and accountability.

Support and Procedures

If you have concerns about academic integrity or wish to discuss a sensitive issue, you can contact the university’s Confidential Adviser on Academic Integrity. Additionally, the Committee on Scientific Integrity handles formal complaints and investigations related to breaches of academic integrity.

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• Academic Integrity at Leiden University
• Committee on Scientific Integrity