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Turnitin Feedback Studio will soon be replacing Turnitin Classic. Your new guidance for viewing the Similarity Report in Turnitin Feedback Studio can be found here.

Overview

A typical submission made to an assignment in Turnitin generates a Similarity Report. The Similarity Report is the result of comparison between the text of the submission against the search targets selected for the assignment; this may include billions of pages of active and archived internet information, a repository of works previously submitted to Turnitin, and a repository of tens of thousands of periodicals, journals, and publications. Any matching or highly similar text discovered is detailed in the Similarity Report that is available in the Assignment Inbox.

1. To access a Similarity Report, you must firstly access the main homepage by clicking the All Classes tab from the top of any page

2. From the main homepage, the instructor must click on the name of the class to view the class portfolio

3. By clicking View under the Actions column, this will direct you to the Assignment Inbox

Similarity Reports

Similarity Reports provide a summary of matching or highly similar text found in a submitted paper. When a Similarity Report is available for viewing, an icon will appear in the Similarity column of the Assignment Inbox. Similarity Reports that have not yet finished generating are represented by a grayed out icon in the Similarity column. Reports that are not available may not have generated yet, or assignment settings may be delaying the generation of the report.

Note: Overwritten or resubmitted papers may not generate a new Similarity Report for a full 24 hours. This delay is automatic and allows resubmissions to correctly generate without matching to the previous draft.

The color of the report icon indicates the Similarity Index of the paper, based on the amount of matching or similar text that was uncovered. The percentage range is 0% to 100% The possible similarity indices are:

·Blue - No matching text

·Green - One word to 24% matching text

·Yellow - 25-49% matching text

·Orange - 50-74% matching text

·Red -75-100% matching text

Similarity Report Accepted File Types

The following file types are able to generate Similarity Reports:

Microsoft Word® (DOC and DOCX), Corel WordPerfect®, HTML, Adobe PostScript®, Plain text (TXT), Rich Text Format (RTF), Portable Document Format (PDF), Hangul (HWP), Powerpoint (PPT, PPTS, and PPS).

Warning: These indices do not reflect Turnitin’s assessment of whether a paper has or has not been plagiarized. Similarity Reports are simply a tool to help an instructor find sources that contain text similar to submitted papers. The decision to deem any work plagiarized must be made carefully, and only after in depth examination of both the submitted paper and suspect sources in accordance with the standards of the class and institution where the paper was submitted.

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 any way best suited to their needs. The four modes for viewing 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 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 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 matches

Note: If the source of matching text is a student paper in one of the classes controlled by the user as an instructor, the paper can be displayed in direct source comparison mode with matching text highlighted. The Similarity Report provides the instructor with information regarding the origin of the matching paper. Not available for students viewing Similarity Reports.

If the paper is from a class controlled by another instructor, no direct access to this paper can be provided. To view the paper, the instructor must request permission from the instructor in possession of the paper by clicking on the link to the source and then using the permission request button. Turnitin will auto-generate an e-mail request to the instructor who controls the paper. The instructor can reply via e-mail to the user if the request is granted. No student papers are made available to another user within the Turnitin system.

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