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The words ‘ dissertation ’ and ‘thesis’ both refer to a large written research project undertaken to complete a degree, but they are used differently depending on the country:
The main difference is in terms of scale – a dissertation is usually much longer than the other essays you complete during your degree.
Another key difference is that you are given much more independence when working on a dissertation. You choose your own dissertation topic , and you have to conduct the research and write the dissertation yourself (with some assistance from your supervisor).
Dissertation word counts vary widely across different fields, institutions, and levels of education:
However, none of these are strict guidelines – your word count may be lower or higher than the numbers stated here. Always check the guidelines provided by your university to determine how long your own dissertation should be.
At the bachelor’s and master’s levels, the dissertation is usually the main focus of your final year. You might work on it (alongside other classes) for the entirety of the final year, or for the last six months. This includes formulating an idea, doing the research, and writing up.
A PhD thesis takes a longer time, as the thesis is the main focus of the degree. A PhD thesis might be being formulated and worked on for the whole four years of the degree program. The writing process alone can take around 18 months.
If you want to cite this source, you can copy and paste the citation or click the ‘Cite this Scribbr article’ button to automatically add the citation to our free Reference Generator.
Caulfield, J. (2022, May 05). What Is a Dissertation? | 5 Essential Questions to Get Started. Scribbr. Retrieved 19 August 2024, from https://www.scribbr.co.uk/thesis-dissertation/what-is-a-dissertation/
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Published on May 20, 2024 by Koen Driessen . Revised on July 11, 2024.
The best plagiarism checker should be able to detect plagiarism the most accurately, even if the original phrasing has been altered. The tool should also provide a clear, comprehensive plagiarism report.
To identify which plagiarism checker is best, we conducted in-depth research comparing the performance of 10 checkers. We uploaded plagiarized texts that were either directly copied and pasted or edited to varying degrees. In total, we used 140 sources to construct our test documents.
Overview of total scores per plagiarism checker, based on the amount of detected plagiarism:
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Our process for comparing checkers, 1. scribbr review , 2. plagaware review, 3. quetext review, 4. viper review, 5. grammarly review, 6. plagiarism detector review, 7. copyleaks review, 8. smodin review, 9. compilatio review, 10. writer review, frequently asked questions about plagiarism checkers.
In order to find the best plagiarism checker, we analyzed different aspects of the tools, focusing on both depth and breadth.
We based our analysis on the following factors:
We used the same test documents, test date, evaluation criteria, and data analysis for each tool in order to objectively compare the plagiarism results side by side. This ensured that the results required very little interpretation on our part.
Also see our list of the best free plagiarism checkers and the best AI detectors .
Scribbr performed well for all source types relevant to students, such as journal articles and dissertations.
Most importantly, Scribbr’s checker was the most successful at detecting plagiarism in source texts that had been heavily edited to mimic accidental paraphrasing plagiarism.
Scribbr was also able to find full matches. This means the entire plagiarized portion is matched correctly to just one source, rather than multiple incorrect sources.
The results are presented in a clear, downloadable overview. Different colors are used for different sources, making it easy for users to assess each plagiarism issue separately.
Issues can be fixed with Scribbr’s free citation generator , which generates proper citations for any missed or improperly cited sources.
Users can also choose to combine the Plagiarism Checker with the Self-Plagiarism Checker , which is unique to Scribbr. This tool allows users to upload their own unpublished documents in addition to the public database.
Instead of requiring users to subscribe to their services, Scribbr charges per plagiarism check ($19.95–$39.95, depending on the word count).
However, users are unable to work directly in the tool, and it is not possible to re-check your document for free.
Scribbr does not store the uploaded documents, sell them to third parties, or share them with academic institutions. Data is automatically deleted after 30 days, or students can opt to manually delete their document after the check.
Scribbr has live and responsive customer support to assist students in multiple languages. There is easy access to a plagiarism checker guide and other free resources about plagiarism.
Scribbr also has a happiness guarantee, where students receive a new check or refund if they aren’t satisfied for any reason.
Try Scribbr’s Plagiarism Checker now
Plagaware was often able to find full matches and attribute the text to the correct source. However, it performed poorly with heavily edited texts.
Sometimes, the tool did not correctly distinguish between separate plagiarized sources (i.e., it incorrectly attributed two consecutive paragraphs to the same source).
The website report is easy to navigate as it uses different colors for sources. The tool has a function that tells you how many words a plagiarized section has and gives a similarity percentage.
Unfortunately, the downloadable report is confusing to read as it uses only one color and doesn’t clearly link plagiarized text with a source.
Plagaware does not store files and does not sell uploaded content. Their website contains a contact form and phone number.
Discover Plagaware’s plagiarism checker
Quetext detected about half the plagiarized text but was often unable to fully match the entire source text to one source. Instead, individual sentences get attributed to different sources.
The website states that Quetext checks against webpages and academic sources, but the tool does not in fact perform well for academic sources.
The website report sometimes did not correctly distinguish between plagiarized paragraphs and attributed them to the same source.
Quetext differentiates by severity of plagiarism in its online report: orange for partial matches and red for full matches. Otherwise, the same colors are used for different sources.
Users can work directly in the tool, and Quetext offers a citation assistant that helps generate the missing citations.
The original layout of the text is lost in both the website report and the downloadable report.
The tool does not store or re-upload your text, and it offers a help center with FAQs. There is no live support, but users can submit a help request on the website.
Discover Quetext’s plagiarism checker
Viper found about half of the plagiarism when the source text was directly copied or lightly edited, but it struggled to find plagiarism in moderately and heavily edited texts.
The tool had average performance for most source types but struggled specifically with scholarly source types such as journal articles and dissertations. This makes this tool less useful for students.
When Viper flagged plagiarism, it often matched the entire passage to one source. While the downloadable report was somewhat difficult to read, it helpfully uses different colors for different sources.
Viper also allows users to check their text against their own previously uploaded documents, which may help to catch instances of self-plagiarism.
Viper stores previous submissions and shows matches with those texts.
The tool does not sell your document if you use the paid version (prices start at $3.95 per 5,000 words). However, if you use the free version, the document is uploaded to an internal database. After three months, the text is published on an external website as an example for other students. This is not good if the content of your text is confidential.
Viper does not have live support, but there is a contact form on the website.
Discover Viper’s plagiarism checker
Grammarly found a relatively low amount of plagiarism. It performed best with lightly edited texts. However, it scored below 50% in all other rounds of testing.
When it did find plagiarism, the tool was often able to find the right source. However, the matches were usually only partial and rarely included the entire plagiarized section.
The design is not very clear. As the tool is primarily used as a language checker, the plagiarism checker function is somewhat difficult to find. The tool uses the same color for all sources, making it hard to read.
The subscription comes with a language and style tool and offers a citation assistant that helps generate the missing citations. In addition, there is a 100,000 character limit for both the monthly plan ($30 per month) and the yearly plan ($12 per month).
For more information, you can read our in-depth Grammarly review .
Grammarly does not store, sell, or share documents with other parties.
There is a support page with tips, tutorials, and FAQs, and it is possible to submit a question via a form. However, there is no live support.
Discover Grammarly’s plagiarism checker
This tool had difficulty uploading the document for each round of testing (for the first round, it took over six hours to generate a report). It seems that Plagiarism Detector was unable to adequately process a document of this size, even though the document did not exceed their word limit of 25,000.
This tool was mostly only able to find partial matches, attributing individual sentences to one or more sources, rather than the entire section.
In the downloadable report, the format of the text is lost, making it hard to read. The list of sources is also difficult to cross-reference with the text above because the same colors are used for different sources.
Plagiarism Detector offers a rewrite tool to help resolve similarities, but the quality of this tool is questionable, and it does not help with the citation issues. You should resolve plagiarism by citing the relevant source, not by attempting to rewrite the text to disguise it.
Plagiarism Detector does not store or sell uploaded documents. There is no live support, but the website does offer a help request form.
Discover Plagiarism Detector’s plagiarism checker
Copyleaks performed relatively poorly with all source types. It lists multiple possible sources for flagged sentences. However, it was sometimes able to attribute an entire source block to the correct source.
The report distinguishes between text that is “identical” to a source, text that contains “minor changes,” and text that is “paraphrased.” However, its judgment is sometimes wrong.
The site report and downloadable report differed (the downloaded report flagged content that was not flagged on the site report). On the website report, the source information function did not always work correctly, so it was sometimes impossible to check the accuracy of the attributions.
The reports were also difficult to read, as they use the same color highlights for all sources. While the source formatting is maintained in the online tool, it is altered in the downloadable report.
Copyleaks claim that they “will never steal your work.” To permanently remove uploaded content from their database, users must contact customer support. The website has a chat option and a contact form.
Discover Copyleaks’ plagiarism checker
Smodin performed relatively poorly in all rounds of testing. While it got some sources correct, it struggled to get full matches and frequently attributed the same text to multiple different sources. It did particularly poorly with scholarly sources.
The tool has a very low limit of 2,000 words per scan.
Both the online report and the downloadable PDF report are difficult to read. The downloadable report displays the uploaded document, but it doesn’t highlight the text that it flags as plagiarized. Instead, below this, it includes the individual parts of the text that it recognizes as plagiarism.
However, it is difficult to read as the same text is repeated over and over again if multiple sources were found for it. The sources also do not seem to be in a logical order.
Their data protection policy suggests they can/might sell or repurpose uploaded content. There is no live support, but there is a contact form on the site.
Discover Smodin’s plagiarism checker
Compilatio was able to find a few of the plagiarized sources, but it struggled if the source text had been moderately or heavily edited. However, when it was able to identify a source, it was often correct.
It was not possible to determine how accurately Compilatio could match the source to a plagiarized source text, since the plagiarized parts were not highlighted. Instead, the report only shows the general area that matches the source. This may limit its helpfulness to users, since it’s hard to review and resolve potential instances of plagiarism.
As the report does not highlight the flagged text, it does not provide a good overview of the potential issues. Additionally, you cannot work in the tool, so it’s not possible to exclude similarities from the report.
The tool scans the text against other documents you have uploaded, which can help to avoid self-plagiarism.
Users can buy packages for 5,000 words for €3.99 (no $ value is available on the site), 25,000 words for €14.99, or 50,000 words for €24.99. These credits can be used for multiple documents and are valid for 12 months after purchase.
Compilatio does not share or sell submitted documents, and the documents are not used as comparison material for other users.
There is no live support available, but they do provide a helpdesk with FAQs and a request form.
Discover Compilatio’s plagiarism checker
This tool found very little plagiarism. It struggled particularly with scholarly sources like dissertations and academic journals.
It scans sentence by sentence, rather than whole paragraphs. As a result, the plagiarized text is often attributed to multiple sources, rather than just one.
The plagiarism checker function is part of a larger language tool that provides grammar and spelling checks. As the tool doesn’t display an overall plagiarism percentage, we couldn’t apply our normal testing methodology.
The tool has a nice, clean design and was relatively easy to use. The format of the text remains intact, and you can work directly in the tool. However, it doesn’t provide a downloadable report, so you must work solely on the website.
Writer claims that its tool is secure and safe to use and that it won’t share your information with anybody. A detailed security policy is described on a separate page.
They provide a contact number and email address on the site, but no live support.
Discover Writer’s plagiarism checker
Go back to the best plagiarism checker
Plagiarism can be detected by your professor or readers if the tone, formatting, or style of your text is different in different parts of your paper, or if they’re familiar with the plagiarized source.
Many universities also use plagiarism detection software like Turnitin’s, which compares your text to a large database of other sources, flagging any similarities that come up.
It can be easier than you think to commit plagiarism by accident. Consider using a plagiarism checker prior to submitting your paper to ensure you haven’t missed any citations.
The accuracy depends on the plagiarism checker you use. Per our in-depth research , Scribbr is the most accurate plagiarism checker. Many free plagiarism checkers fail to detect all plagiarism or falsely flag text as plagiarism.
Plagiarism checkers work by using advanced database software to scan for matches between your text and existing texts. Their accuracy is determined by two factors: the algorithm (which recognizes the plagiarism) and the size of the database (with which your document is compared).
Yes, Scribbr offers a limited free version of its plagiarism checker in partnership with Turnitin. It uses Turnitin’s industry-leading plagiarism detection technology and has access to most content databases.
Run a free plagiarism check
If you’re a university representative, you can contact the sales department of Turnitin .
Your document will be compared to the world’s largest and fastest-growing content database , containing over:
Note: Scribbr does not have access to Turnitin’s global database with student papers. Only your university can add and compare submissions to this database.
If you want to cite this source, you can copy and paste the citation or click the “Cite this Scribbr article” button to automatically add the citation to our free Citation Generator.
Driessen, K. (2024, July 11). Best Plagiarism Checkers Compared. Scribbr. Retrieved August 19, 2024, from https://www.scribbr.com/plagiarism/best-plagiarism-checker/
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Rely on the most accurate plagiarism checker of 2023. Scribbr's plagiarism checker, in partnership with Turnitin, detects plagiarism more accurately than other popular tools — particularly when texts are edited. This makes it the go-to plagiarism checker for students in the UK.
Plagiarism is a breach of academic integrity. It is a principle of intellectual honesty that all members of the academic community should acknowledge their debt to the originators of the ideas, words, and data which form the basis for their own work. Passing off another's work as your own is not only poor scholarship, but also means that you ...
The free plagiarism checker, in partnership with Turnitin, will give you a heads-up if your writing is similar to the content in our database. 📚 Largest database. 99B web pages & 8M publications. 🌎 Supported languages. 20 languages.
Respecting authorship through good academic practice is one of the key values of higher education in the UK. Plagiarism is the term used to describe the misuse of authorship. It is a serious academic offence and is treated as such by all universities. However, this booklet and the accompanying website (URL below) have been designed to develop ...
Plagiarism software. Many areas of the University now use 'Turnitin' plagiarism detection software to assist in detecting possible cases of plagiarism. 'Turnitin UK' is an online service which searches the World Wide Web and extensive databases of reference material, as well as content previously submitted by other users.
Plagiarism is a serious academic offence. If plagiarism is suspected in your work, you will be asked to attend an interview with senior members of the school where you will be given the chance to discuss the issues. Any obviously plagiarised work is unacceptable and will be penalised according to University regulations.
Plagiarism-Free. We guarantee 100% original, plagiarism-free custom dissertation services. Our goal is to provide flawless services to British students. ... Hire the best dissertation service in the UK now and leave your stress to our experts. Professional Services For Your Convenience.
The process couldn't be simpler: choose your turnaround time and additional editing services, upload your dissertation, select which pages you want edited, and fill in some details. Then your editor takes over! Rates start at £0.013 per word, and you can calculate the price instantly - no need to wait for a quote.
What you need to do. Show all task details. 1. Read the overview and support guide Show details. The University uses SafeAssign to help identify plagiarism. You can submit your work to SafeAssign before your final submission. This may give you an indication as to the level of originality of your work. However, please read , as a high percentage ...
Sep 1, 2013 at 17:48. 1. Correction: you are mostly right about plagiarism issues, but not about copyright. Self-plagiarism is a real thing (and misconduct in some cases)—but reusing your papers in your thesis (with citation!) is completely fine.
With our plagiarism detector, you can enjoy highly accurate results as a comprehensive report. The plagiarism checker for students is designed to help you achieve 100% uniqueness without hassle. Here are the key advantages you can enjoy when you check plagiarism free with our plagiarism detection tool: It's completely free!
Grammarly checks your writing against billions of web pages and articles to locate potential plagiarism and its original source. Speed up your citations. Automatically get complete citations when you visit popular source sites. Catch stray periods, misplaced parenthesis, and other formatting issues in your style of choice—APA, MLA, or Chicago.
About Premier Dissertations. We are the UK's one of the most trusted and safe academic consulting teams you can work with, having specialists researchers in all academic disciplines with degrees from the UK (Masters & Ph.D.). Having established a profound reputation in research-based academic counseling and writing for the last 12 years and ...
submission as a thesis. Research work already published, or submitted for publication, at the time of submission of the thesis, either by the candidate alone or jointly with others, may be included in the thesis. The published papers themselves may not be included in the body of the thesis, but may be adapted to form an integral part
To avoid plagiarism, you need to correctly incorporate these sources into your text. You can avoid plagiarism by: Keeping track of the sources you consult in your research. Paraphrasing or quoting from your sources (by using a paraphrasing tool and adding your own ideas) Crediting the original author in an in-text citation and in your reference ...
Academia takes the issue of plagiarism very seriously; the sheer accusation of it has left a shadow over the careers of even the most prestigious scholars (click here for an interesting list of famous plagiarism incidents). It is extremely important to avoid all iterations of plagiarism when developing your dissertation.
Requests for consultation of printed theses, not available online, should be made at the Manuscripts Reading Room (Email: [email protected] Telephone: +44 (0)1223 333143). Further information on the University Library's theses, dissertations and prize essays collections can be consulted at this link. Researchers can order a copy of an ...
Scribbr's professional editing and proofreading services help you submit your thesis, dissertation, or manuscript with confidence. FAQ ... Plagiarism Checker ... Email [email protected]; Call +44 (0)20 3917 4242; WhatsApp +31 20 261 6040; Frequently asked questions
Research methodology. The plagiarism tools in this research are tested using 4 test documents, ranging from unedited to heavily edited.. Each test document consisted of plagiarized sections from 140 sources like Wikipedia articles, news articles, open-access journal articles, websites, theses and dissertations, and PDFs.. This setup allowed us to analyze:
That said, it's natural that you might want to reach out and ask for help. Luckily, our dissertation writing services can provide you with the help you need - whether that's coming up with a dissertation topic, writing a literature review, or editing a full dissertation! No plagiarism Structured delivery UK-graduated writers 100% confidential.
Revised on 5 May 2022. A dissertation is a large research project undertaken at the end of a degree. It involves in-depth consideration of a problem or question chosen by the student. It is usually the largest (and final) piece of written work produced during a degree. The length and structure of a dissertation vary widely depending on the ...
In total, we used 140 sources to construct our test documents. Our in-depth research shows that Scribbr's free plagiarism checker is the best plagiarism checker on the market. It is able to detect plagiarism in both exact copies and heavily edited plagiarized texts, and it provides a clear report.
Plagiarism Dissertation Meeting. A. srijobu. I have received an email to an academic conduct meeting to discuss plagiarism in my undergrad dissertation. I was surprised because I didn't actually plagiarise anything. I checked my Turnitin report and it says the similarity is 16% (green). I checked the flagged sentences and paragraphs and ...
Love Lies Bleeding is a 2024 neo-noir [7] black comedy romantic thriller film directed by Rose Glass from a screenplay she co-wrote with Weronika Tofilska, and starring Kristen Stewart, Katy O'Brian, Jena Malone, Anna Baryshnikov, Dave Franco, and Ed Harris.It is an international co-production between the United Kingdom and the United States. Set in 1989, the film's plot follows the lesbian ...