The workshop is aimed for junior editors. The course leader is a research integrity editor with 8 years’ experience in the the Croatian Medical Journal (www.cmj.hr), an internationally recognized and peer-reviewed indexed medical journal, and a university teacher. The course consists of two parts. The first gives editors a conceptual framework of plagiarism in science and an overview of different tools for detecting text similarity/plagiarism (iThenticate, Turnitin, WCopyfind and other). The second part is practical, the process of decision making in the plagiarism detection (cut-off values and flowcharts) and plagiarism prevention will be presented and discussed in practical examples.