What are the main benefits of iThenticate?
iThenticate has two primary benefits. First, authors can ensure they have sufficiently cited their sources and presented the highest quality written work. Second, this preliminary editorial review will allow editors to view and move submitted documents through the peer-review or referee process to publication, confident that content is original.
How do I submit a document?
To submit a file, click the "Browse" button and select the file you want to submit. Then click the "Submit Document" button. If you prefer submitting text directly instead of submitting a file, click the "Copy & Paste Text" link.
What are the document submission requirements?
Files cannot exceed 400 pages. Files cannot exceed 100MBs. Files cannot exceed 2MB of raw text.
What are the accepted file types?
MS Word, Word XML, WordPerfect, PostScript, PowerPoint (.PPT, .PPTX), PDF, HTML, RTF, HWP, OpenOffice (ODT) and plain text.
Against what resources will my manuscript be compared?
In addition to the Internet, uploaded files are compared to more than 40 million published research articles from 590+ global scientific, technical and medical publishers (this cache is larger than most university libraries maintain). This is a critical content component, and one not available in other services. iThenticate's comparison database includes more than one million abstracts and citations from PubMed, and more than 20,000 research titles from EBSCOhost and the Gale InfoTrac OneFile. iThenticate also maintains its own web crawler, indexing over 10 million web pages daily and totalling over 50 billion web pages. View more content
Is there a user manual or instructions for using iThenticate?
Download our user manual. Also see online training videos.
What are the system requirements?
- Microsoft® Windows® 7+, Mac OS X v10.4.11+
- 3GB of RAM or more
- 1024x768 display or higher
- Broadband internet connection
- We support the latest and one previous version of Chrome, Firefox, Safari, and Windows browsers.
- Internet browser set to allow all cookies from ithenticate.com
What languages does iThenticate support?
The iThenticate interface currently supports the following languages: English, Korean, Japanese, German, Spanish Latin American, Brazilian Portuguese, Dutch, Italian, French, Simplified and Traditional Chinese, and Arabic.
Which international languages does iThenticate have content for in its database?
iThenticate searches for content matches in the following 30 languages: Chinese (simplified and traditional), Japanese, Thai, Korean, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, German, Hungarian, Italian, Norwegian (Bokmal, Nynorsk), Polish, Portuguese, Romanian, Serbian, Slovak, Slovenian, Spanish, Swedish, Arabic, Greek, Hebrew, Farsi, Russian, and Turkish. Please note that iThenticate will match text between text of the same language.
Where can I find information about iThenticate's system status?
You can follow iThenticate's sytem status twitter feed (https://twitter.com/iTHStatus) or view the system status page: www.ithenticate.com/status.
How do I get started?
To check for plagiarism, first, create a free account. Second, purchase credits so that you can submit a file to iThenticate. Credits are displayed at the top right of the screen. Once you have credits, click "Submit Document" to start the plagiarism check. Watch the demo
What types of documents and files are best checked by the individual edition?
Single documents, including: articles for newspapers, magazines, and other publications; research documents; proposals (for grants, government or non-profit); manuscripts; essay checker; business reports; articles; financial analysis; PhD theses and Masters dissertations.
Can I submit two documents for comparison?
Yes, iThenticate offers document-to-document comparison via an optional private document repository. This functionality may be purchased as part of iThenticate’s annual licensing edition. Please contact us for more details.
Are my submissions to iThenticate kept private?
Yes. Submissions are added to a private, secure database that is only accessible by your own account. Unlike many free plagiarism checker services, iThenticate does not share or resell uploaded files. Your submissions are not searchable by any other account, nor used by any other Turnitin service.
Can I delete my submissions from iThenticate?
Yes. You may delete your submissions from your account at any time. Deleted submissions will be moved to your Trash folder and permanently removed from the iThenticate database once you click to "Delete" your Trash folder.
What is the maximum size of a document?
A single file can be up to 25,000 words, which accommodates the average length of a research paper. If your document is larger, you can purchase multiple credits and segment content in parts of 25,000 words or less.
What is a revision?
A revision is when you submit a manuscript that you have already uploaded to iThenticate and you have either revised it or added more material to it and want to check your manuscript again.
How many times can I submit a manuscript for a plagiarism check?
After you submit your document once, you may resubmit it a maximum of five times. If your revised manuscript is substantially different than the first submission, iThenticate may ask you if you would like to submit the revision as a new manuscript.
Can editors see my Similarity Report?
No. iThenticate gives you your own personal account so that you can check for plagiarism privately. This means that no one can access it but you. If you would like to share your report, you can print it out or download to HTML and email.
What do iThenticate reports highlight?
iThenticate identifies material that matches text from documents found in our extensive database. Highlighted text will include text that has been properly quoted and cited so it is not necessarily plagiarized. You will need to verify that every highlighted section has been properly quoted, summarized or paraphrased. As a result, iThenticate makes it easier for you to identify and attribute any material in that may contain unintentional plagiarism.
How long will I have to wait until my results are ready?
Results are usually delivered within one minute to several minutes, depending on document length.
How will I know if my results are ready?
While this analysis is in progress, you will see the word "pending" in the report column next to the title of your manuscript. When your results are ready, you will see a percentage, or "Similarity Index" in the report column next to the title of your manuscript.
How do I see my results?
To see your results, click the "Similarity Report" icon in the report column next to the title of your manuscript.
What does the percentage mean?
The results include a percentage score, called a "Similarity Index", which indicates how much of the document matches other sources. Please note that iThenticate does not determine whether a manuscript contains plagiarism. The service identifies content in a submitted manuscript that matches other sources, primarily to encourage the author of the manuscript to check that other sources have been properly cited. Watch a demo
What do the highlighted boxes mean?
The results include number-coded and color-coded highlighting of parts of the manuscript that correspond to matching sources in the iThenticate database. You are encouraged to look carefully at these portions to determine whether other sources have been properly cited.
What is Crossref Similarity Check powered by iThenticate?
Crossref Similarity Check powered by iThenticate is an exclusive partnership between Crossref, a publisher association, and iThenticate plagiarism technology. This exclusive relationship allows you to compare against 40+ million published research articles from 590+ leading, global scientific, technical and medical (STM) publishers—this is a data store larger than most university libraries. View Crossref Similarity Check participants.
What is included in the ProQuest partnership?
The iThenticate database includes 300,000 theses and dissertations from ProQuest.
Turnitin Feedback Studio has replaced Turnitin Classic. Your new guidance for viewing the Similarity Report in Turnitin Feedback Studio can be found here.
The Similarity Report provides a summary of matching or similar areas of text found in a submitted paper. When a Similarity Report is available to be viewed an icon is placed in the Similarity column of the student class portfolio page. Similarity Reports that have not finished generating will display the text processing within the Similarity column of the student class portfolio page.
Note: Overwritten or resubmitted papers may not generate a new Similarity Report for a full twenty-four hours. This delay is automatic and allows resubmissions to correctly generate without matching to the previous draft.
The paper shown in the Similarity Report is fully formatted and contains any images and graphs included in the original document.
How is My Paper Checked?
Papers submitted to Turnitin may be compared against billions of internet documents, archived internet data that is no longer available on the live web, a local repository of previously submitted papers, and subscription repository of periodicals, journals, and publications. The comparison may be against any or all of these repositories as set on a specific assignment by the instructor of the class. Turnitin may be compared against billions of internet documents, archived internet data that is no longer available on the live web, a local repository of previously submitted papers, and subscription repository of periodicals, journals, and publications. The comparison may be against any or all of these repositories as set on a specific assignment by the instructor of the class.
The comparison document is called a Similarity Report. This document details the matching or similar text between a submission made on Turnitin and the documents the submission was compared against. This document is listed in the instructor’s view of the class assignment inbox.
Similarity Report Availability
At the discretion of the instructor, student users may be able to view the Similarity Reports for their own submissions on Turnitin. This is a preference that is selected on an assignment by assignment basis and may be updated at any time by the instructor. Only the instructor can change this setting.Turnitin. This is a preference that is selected on an assignment by assignment basis and may be updated at any time by the instructor. Only the instructor can change this setting.
Note: If Not Available appears under the Similarity column for the assignment, then Similarity Reports are not available to student users in this assignment. Students wishing to view or receive a copy of the Similarity Report for their submissions must contact the instructor. The determination of authorizing access to this information is in the hands of the instructor and institution.
Interpreting the Similarity Report
Turnitin does not check for plagiarism in a piece of work. Instead, we will check your work against our database, and if there are instances where your writing is similar to, or matches against, one of our sources, we will flag this for your instructor to review. Our database includes billions of web pages: both current and archived content from the internet, a repository of works students have submitted to Turnitin in the past, and a collection of documents, which comprises thousands of periodicals, journals, and publications.Turnitin in the past, and a collection of documents, which comprises thousands of periodicals, journals, and publications.
It is perfectly natural for an assignment to match against some of our database. If you have used quotes and have referenced correctly, there will be instances where we will find a match. The Similarity Score Index (SSI) simply makes your instructor aware of any problem areas in your paper; they will then use this as a tool as part of a larger process, in order to determine if the match is or is not acceptable.
Similarity Index Examples
As an example, you may have submitted a paper to Turnitin in the past. If you included your name in that submission, it is entirely possible that, if your instructor has opted not to exclude small matches, this will be highlighted in your Similarity Report.
Another example may concern a student copying and pasting a chunk of text into their paper, due to a lack of knowledge on the topic they are covering. Their Similarity Index might be 10%.
However, this might be compared to another student who has a firm basis of knowledge for the paper and knows enough to gather information from several sources to quote and reference correctly. Their Similarity Index might be 12%.
Both students will be shown to have matches against our database. However, one of these students copied directly from a website, whereas the other provided properly sourced quotes.
Turnitin empowers your instructor by giving them the tools to differentiate between matches. It also empowers you, as a student, by knowing that your work will be seen through the correct lens. You can find more information about citing the sources you have used here: http://www.plagiarism.org/citing-sources/cite-sources
The Similarity Report icon shows a percentage and a corresponding color indicating where this percentage falls, in terms of matching content.
The higher the percentage, the greater the amount of text in the submission that was highlighted as matching against information in Turnitin’s repositories. The percentage range runs from 0% to 100%. The percentage is generated by the amount of similar or matching text compared to the number of words in the submission in total.
The color of the report icon is linked to one of five tiers; this is based on the amount of matching text found by the repository comparison. The possible similarity index percentage ranges are linked to a corresponding color:
- blue (no matching words)
- green (one matching word - 24% similarity index)
- yellow (25-49% similarity)
- orange (50-74% similarity)
- red (75-100% similarity)
This number is a raw amount of matching completed against the repositories selected by your instructor for the assignment the submission was made to.
Matches Against Citations and Bibliographies
Direct quotations, citations, or bibliography areas of the paper are not automatically excluded. The decision to permanently exclude or disregard matches to these types of text in a paper is made solely by the instructor of the class.Turnitin repository. Direct quotation, citations, or bibliography areas of the paper are not automatically excluded. The decision to permanently exclude or disregard matches to these types of text in a paper is made solely by the instructor of the class.
Warning: These indices in no way reflect Turnitin’s assessment of whether a paper contains plagiarized material or improperly used material. The Similarity Report provides instructors with a tool to more easily locate matching or similar text within the text of a submitted work. The determination and adjudication of proper citation and plagiarism are left solely to the instructor and institution to which the work was submitted. Any questions regarding the definition of plagiarism used at your institution should be directed to the instructor of the class or an appropriate institutional staff member.
Opening the Similarity Report
Similarity Reports are typically completed within ten to fifteen minutes of submissions. This report generation time may vary based on the extreme levels of usage that may occur during certain periods of the academic year or due to very large submissions.
If the Similarity Report viewing preference is set by the instructor to allow students to access the reports, the Similarity Report icon will allow the user to open the report.
Viewing Similarity Reports
The Similarity Report can be viewed in one of four modes. These modes allow users to view and sort the information contained in the Similarity Report in ways better suited to their needs. The four viewing modes for an Similarity Report are:
- Match Overview (show highest matches together): A list of all areas of the paper which have similarity to information in the Turnitin repository. Matches are color coded and listed from highest to lowest percentage of matching word area to the submission. Only the top or best matches are shown, all underlying matches are visible in the Match Breakdown and All Sources modesTurnitin repository. Matches are color coded and listed from highest to lowest percentage of matching word area to the submission. Only the top or best matches are shown, all underlying matches are visible in the Match Breakdown and All Sources modes
- All Sources: Allows a user to view matches between the paper and a specific selected source in the Turnitin repositories. Contains a full list of all matches found rather than the best matches per area of similarity. This listing is exhaustive but will show all matches found, including any that are obscured in the Match Overview by virtue of being in the same or similar areas as other, better matchesTurnitin repositories. Contains a full list of all matches found rather than the best matches per area of similarity. This listing is exhaustive but will show all matches found, including any that are obscured in the Match Overview by virtue of being in the same or similar areas as other, better matches
- Match Breakdown: Displays matches that are obscured by a top source. Allows instructors to compare the match instance of a underlying source with the match instance for a top source
- Direct Source Comparison: An in depth view that shows an area of similarity compared side by side with a specific match from the Turnitin repositories. Not available on all types of repository matchesTurnitin repositories. Not available on all types of repository matches
Similarity Report Contents
The Similarity Report is separated into three main areas:
- document viewer frame - shows the Similarity Index for the report and the title and author of the paper
- paper text - the submitted paper text in its original formatting. Matching text is highlighted in a color that corresponds to the matching source listed on the right side of the Similarity Report
- matching sources/sidebar - the list of matching sources for the highlighted areas of the paper text to the left. The sidebar also displays the Filter and Settings (exclusion options)
The paper information can be viewed by clicking on the information icon at the bottom left of the document viewer.
The paper information contains: the submission id, the date the paper was processed, the word count, the character count, the number of submissions to the assignment, the overall similarity index, and the three repository indices.
Direct Source Comparison
Direct Source Comparison, allows a user to quickly compare matching text to the source of the match in the Turnitin repositories. Using Direct Source Comparison can be done from the Match Overview or the All Sources view mode of the Similarity Report.Turnitin repositories. Matches to other student papers are not available for Direct Source Comparison viewing unless the students are enrolled in your class. Using Direct Source Comparison can be done from the Match Overview or the All Sources view mode of the Similarity Report.
Users can either view the Direct Source Comparison as a glimpse within the paper or as the Full Source Text within the sidebar. The glimpse only provides the matching text within context of a few outlying sentences from the source while the Full Source Text loads in the sidebar and contains the full text of the source and all the match instances.
1. Open an Similarity Report
2. Click on a highlighted area of text on the left hand (student paper) side
3. A pop-up window will appear above the highlighted text displaying the matching text within the source of the match
4. (Optional) Clicking on the url link, available on live internet matches, brings up a view of the live web site within a new browser tab or window
5a. Click on the “x” in the top right corner of the pop-up to close the window
5b. To view the matching text within the full source click on the Expand to Full Text link
6. The Full Source Text view of the source will load into the sidebar
7. If there are multiple matches to this source, click on the arrow icons to quickly navigate through the match instances
8. To exit the Full Source Text View click on the “X” button
TurnitinTurnitin utilizes multiple types of repository in the generation of the Similarity
Reports. There are four types of repository:
- internet repository - billions of active and archived web pages from the internet. Internet sources indicate a date of download on the Turnitin Similarity Report if the match is not found on the most recent download of content from this site.
- periodicals - a repository of frequently updated content from professional journals, periodicals, and publications
- student paper repository - a repository of papers previously submitted by Turnitin users
- institution paper repository - a collection of papers submitted to the institution’s repository
Note: If an area of submission text is matched to a source in the student paper repository on Turnitin, it will be listed as Turnitin, it will be listed as student papers. Direct Source Comparison is not available to students for student paper matches.
Excluding Quoted or Bibliographic Material
If quoted or bibliographic material is flagged as similar or matching, this information can be removed from the Similarity Report. Students are only able to remove quoted or bibliographic material for the duration of the current view of the report. Permanent exclusion of this information must be handled by the instructor.
Please note that the functions for excluding material are approximate and human judgement is the final arbiter for proper quotation or bibliographic reference. Cited material cannot be excluded directly, and quotations can only be excluded if block-indentation or direct quotation marks (“”) begin and end the quotation.
1. Open an Similarity Report
2. Click on the Filter and Settings icon
3. To exclude Quoted or Bibliographic material click the check box next to the Exclude Quotes and Exclude Bibliography exclusion options
4. Click on the Apply Changes button to save the settings
Excluding Small Matches
Users have the ability to exclude small matches by either word count or by percentage. To exclude small matches within an Similarity Report click on the Filter and Settings icon below the sidebar.
The sidebar will load with the exclusion options. Below the Exclude matches that are less than: option enter into either the words or % fields the numerical value for small matches that will be excluded from this Similarity Report. To turn off excluding small matches click on the radio button next to Don’t exclude by size. To save the settings click on the Apply Changes button at the bottom of the sidebar. This feature can be adjusted at any time.
When a student closes an Similarity Report after using the exclude small matches option the Similarity Report will return to the assignment’s default setting for excluding small matches and the students changes will not be saved.
Downloading Reports and Digital Receipts
The Similarity Report or digital receipt can be downloaded to the user’s computer for later reference.
To print/download a report, click on the print icon at the bottom of the Similarity Report. This will prepare a readable, PDF version of the Similarity Report or digital receipt. When downloading a report, the downloaded version created is based on the current view of Similarity Report. For example, clicking the download icon while using the default Match Overview will create a PDF of only the highest matches.
Once a PDF version of the report or digital receipt has been saved to your computer, you may then use your computer’s default PDF viewing application to print the Similarity Report/digital receipt. The downloaded version will no longer have any of the Direct Source Comparison capability and will not be able to show side by side comparisons. The view modes of a downloaded report are not available in the PDF document.
Training Video: Viewing a Similarity Report