Answer:
Turning in a paper for a current class that you already submitted as an assignment for a previous class, Using a substantial amount of a paper written for another course as content for a new assignment, Treating anything you've previously written as if it were new material.
Explanation:
Self-plagiarism occurs when a student submits his or her own previous work, or mixes parts of previous works, without permission from all professors involved. For example, it would be unacceptable to incorporate part of a term paper you wrote in high school into a paper assigned in a college course.
