Unintentional or accidental plagiarism happens any time a author fails to appropriately paraphrase, estimate, or cite without aspiring to cheat ​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​�