5.2 How do I prevent plagiarism?

Van Dale dictionary defines plagiarism as follows: “Copying someone else's work and passing it off as their own

If you copy something from someone else's work without mentioning the source, Beeld: Evalien Langhorst, Hogeschool Rotterdamyou create the impression that it is your own creation. By including a source reference, you make it clear where information comes from, what is yours and what is someone else’s. It does not matter whether the material is printed or digital, is a text or an image, software or video. If the maker has made creative choices, and the work has its own original character, it is automatically copyrighted.

When do you have to specify a source?
Plagiarism by students happens unconsciously in most cases but can have unpleasant consequences. For example, the rejection of your thesis. You can prevent plagiarism by mentioning the source when you:

When do you not need to specify a source?