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Self-plagiarism and direct plagiarism, both are two distinct types of plagiarism.
Self-plagiarism involves copying one’s own work while direct plagiarism is the opposite, though both can occur unintentionally.
But confusing these two types of plagiarism can be problematic, especially for students and anyone writing in academic settings.
In this article, we will go over the key differences between these two types of plagiarisms so that you know which one is which, with examples for better understanding.
What is Self-Plagiarism?
Many students take this type of plagiarism with a grain of salt, but self-plagiarism is real and can affect your work.
Self-plagiarism is a type of plagiarism in which a person copies their own work (entirely or in parts) without a proper citation to clarify that this is an existing piece of work. It is essentially plagiarizing your own work.
You may think self-plagiarism is okay because you're copying your own work, hence not violating someone's copyrights.
While that might be the case, self-plagiarism is still an academic offense, like any form of plagiarism, because it can be intentionally used to avoid homework.
Students who have previously written similar work can use that text or parts of that text and present it as new work, essentially skipping homework.
This is why academic institutes have regulations in place against self-plagiarism; to prevent students from unfairly reusing their previous work to skip the new one.
Students should be truthful and honest to themselves and others and not copy their existing work.
It is also possible to commit self-plagiarism unintentionally, which can happen when a student refers back to their existing work but forgets to cite it.
In any case, if you use some of your existing text in a new one, give it a proper citation to avoid this plagiarism.
Examples of Self-plagiarism:
Submitting the same essay for two different courses.
Publishing the same research findings in multiple journals without proper citation.
Copying and pasting sections from a previously published article into a new one.
All of these instances constitute self-plagiarism, which can mislead people into thinking that the copied work is new, and is a form of academic dishonesty.
What is Direct Plagiarism?
Direct plagiarism is one of the simple forms of plagiarism. It is also called verbatim or clone plagiarism.
In contrast to self-plagiarism, direct plagiarism involves copying someone else’s work word for word, or nearly word for word, without a proper citation, and presenting it as your own.
This kind of plagiarism is common and is easy to detect.
While direct plagiarism is often intentional, it can also occur unintentionally due to various reasons, such as forgetting to cite a source, phrasing a sentence too closely to someone else’s, or not knowing citation practices at all.
Like other forms of plagiarism, direct plagiarism requires clear and proper citations of the original texts’ sources to avoid academic dishonesty.
Examples of direct plagiarism:
Copying a paragraph from a book or article without using quotation marks and citing the source.
Submitting an entire essay or paper that was written by someone else.
Using data or images from a source without giving credit.
Presenting someone else's ideas or arguments as your own without proper citation, even if you rephrase them.
All of these instances constitute direct plagiarism and must be avoided via direct quotes and citations.
Key Differences
Now that we know about both self plagiarism and direct plagiarism, we can point out their key differences.
1. Source of the Material:
This is the most obvious difference.
Self-plagiarism involves plagiarizing your own existing material or published work.
Whereas direct plagiarism involves using someone's ideas or text without attribution. So, the source is someone else’s work.
2. Intent and Perception:
Both forms can be intentional or intentional, but their perception often differs.
Self-plagiarism is often seen as a careless reuse of previous work (not in case of an entire essay or paper being reused) — essentially seen as less severe of an academic offense. This is especially true for students who don't realize it's an issue.
Direct plagiarism is usually perceived more strictly, as a theft — copyright violation and academic dishonesty, as it often involves intentional copy of someone's words or ideas.
3. Citation Expectations:
Both forms of plagiarism require citations.
In self plagiarism, students often think a citation isn't necessary. Because they're reusing their own work after all. However, citations to your previous work are mandatory.
In direct plagiarism, citations are crucial to show that outside sources have been used and the cited texts aren't your original thoughts or ideas.
Failing to cite in both types of plagiarism can mislead the audience into thinking the work is new and original, stealing and undermining the original author’s hard work.
4. Consequences:
Both types are considered academic dishonesty and treated as violations to academic policies, but the perception can slightly differ, with varying consequences.
Self-plagiarism might lead to a warning, some grade deductions, or complete resubmission of the work, depending on the severity of violation.
Direct plagiarism can lead to more stricter consequences, including: failed grades or courses, suspension from the institute, or even expulsion in worst cases.
5. Detection:
Both can be detected via plagiarism checker tools, but one may be easier than the other.
Self-plagiarism can be harder to detect if the plagiarism detector being used doesn't have access to your previous work — it's not published online or available in the tool’s repository.
Direct plagiarism can be easier to detect, because the source plagiarized is usually available online, especially if it's public and/or previously submitted to the system.
However, many institutes rely on powerful plagiarism detectors like Turnitin, which can store your previously submitted work for future detection, not just against others' but also your paper. In that case, self-plagiarism can be as easy to detect as direct plagiarism.
Tips to Avoid Unintentional Plagiarism
Use the following tips to avoid unintentionally plagiarizing yourself or another source:
Take notes rigorously to record all citations: Note down every source you use during the research, including your own.
Use quotes: Write directly-copied text within double quotation marks (“”) to make it clear you're restarting someone's words.
Cite the sources: Citations are always mandatory, even if you paraphrase the text.
Follow proper citation styles and guidelines: Improper citations may be deemed invalid. Ensure you're following the required citation format and style (APA, MLA, or CMoS).
Paraphrase rigorously: If you want to include a source’s, or your own, existing text without word-for-word phrasing, paraphrase it thoroughly until it's significantly different from the original one — or loose paraphrasing can lead to easy plagiarism detection.
Use PlagiarismRemover.co for easy removal of plagiarism: PlagiarismRemover.co is an AI-powered plagiarism remover tool that rephrases your input text and generates its alternate version with unique wording and sentence structures, and less chances of plagiarism. The resultant text is cleaner, more polished, yet unique and less plagiarized.
Remember, the easiest way to prevent both types of plagiarism is by citing the source where the text is taken from, whether from your own existing material or someone else's.
Conclusion
Understanding the difference between self plagiarism and direct plagiarism is essential for maintaining academic integrity. And while both are forms of plagiarism, they have several differences. The key difference is that self-plagiarism involves copying your own work while direct plagiarism involves copying someone else’s work — both without proper citation or attribution. Additionally, both types are considered academic offenses but the two have some differences: varying perception, citation expectations, consequences, and chances of detection.
