Plagiarism is a form of academic dishonesty; it is prevalent in the educational and non educational sector. Plagiarism is a universal problem; incidents of plagiarism are becoming increasingly popular in most institutions due to the advent of ICT and internet revolution. This research focuses on determining the level of plagiarism in studentsâ€™ project in Nigeria tertiary institution a case of Edo State polytechnic Usen. The survey research method adopted for this work involved the collection of two hundred and forty-five (245) projects from the library across some departments in the school. These projects were tested for plagiarism content level using plagiarism checker X software. From the analysis the mean of the distribution is 49.82, mean deviation about the median and mean are 15.69 and 15.71 respectively, the mean indicates plagiarism content of about 50 percent and originality of 50 percent. The class interval group of 16-20 has the least plagiarized content with an originality of 82 percent and the class interval group with the least originality content is 76-80 with just 22 percent and this group has the highest level of plagiarized content with an average of 78 percent. This work shows that the plagiarism level is high when compared to global practice.
Keywords: Plagiarism; Academic dishonesty; Tertiary Institution; Plagiarism checker X; Software