Penn's Code of Academic Integrity defines plagiarism as "using the ideas, data, or language of another without specific or proper acknowledgement." Below are definitions of some of the most common types of plagiarism.
Common knowledge refers to information considered to be known to an educated reader, such as widely known facts and dates, and, in specific circumstances, ideas or language. Information that is considered to be common knowledge can be used in a paper without attributing it to a source. Identified below are some ways to determine whether something can be considered common knowledge.
Generally not considered to be common knowledge, with a few exceptions.
Paraphrasing refers to the act of distilling and restating a source's idea(s) into one's own words. The process of restating versus simply rewording can be tricky, so below are some things to keep in mind to ensure you paraphrase and don't plagiarize.
For examples of how to paraphrase appropriately, please see our Citation Practices and Avoiding Plagiarism guide.