College professor's tutorial explains what plagiarism is and why it is wrong, and refutes the excuses often used to try to justify it.

Designed to help writers develop strategies for knowing how to avoid accidental plagiarism. Available in printer friendly html and pdf versions.

A tutorial with many examples, practice questions with feedback, and a test.

Clears up some common confusions about copyright issues.

The Indiana University definition of plagarism and an online quiz with 10 examples of student writing to judge.