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Managing exclusions and filters in the Similariy Report

Using Filters and Exclusions will help you refine a Similarity Report to only include matches that are irrelevant to you.

Applying filters and exclusions may or may not change the overall similarity percentage depending on several factors, such as overlapping sources for one match.

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In this guide:

Assignment templates

Template exclusions can be turned off for individual submissions from the Similarity Report.

  1. Open the student's Similarity Report for the submission in question.
  2. Select the Filters and Settings option from the side bar.
  3. Uncheck the Exclude Assignment Template filter.
  4. Select New Report.

If there is no Exclude Assignment Template filter option, it has not been enabled in the assignment settings, and can no longer be enabled for an assignment with submissions.

Matches by word count or %

If you exclude small matches at the assignment level, you can change it at the individual submission level.

Excluding small matches allows you to exclude matching against sources with a small amount in common with the submission. For example, it's possible to exclude matches fewer than 20 words in total, or less than 10% in total.

The percentage is based on the total word count of the student's submission. For example, if a student submitted a 5,000 word submission, and you have this set to 10%, it will exclude sources of less than a 500 word match.

  1. To exclude text from the report according to its size, click the red filter icon from the similarity toolbar. 
  2. From the Filters and Settings side panel, use the radio and text boxes to determine which exclusions should apply to the submission you are viewing. You can exclude sources that are less than a certain number of words, or a certain percentage of words. For example, filtering by 10 words will exclude all sources that have a cumulative number of matching words that are less than 10 words in length.
  3. Select Apply Changes at the bottom of the right-side panel to confirm and regenerate the report with your change now reflected in the assignment.

Quotes and bibliography

Exclude quoted text, bibliographic content, and reference materials from within a Similarity Report to remove those matches from the report. This can possibly affect the score percentage, and help provide a more focused assessment. To learn more about how these exclusions work, check out our How exclusions and filters refine the report guide. 

  1. To exclude quoted text and/or bibliographic materials from within the report, select the red Filter icon from the similarity toolbar.
  2. From the Filters and Settings side panel, use the checkboxes to make bibliography and quote exclusions from the report.

  3. Select the Apply Changes button at the bottom of the right-side panel to confirm and renew the report with your change now reflected in the submission.


Excluding sources via Match Overview

  1. To exclude sources using the Match Overview side panel, choose the red numerical similarity score in the similarity toolbar. 
  2. All matches will be displayed within the Match Overview side panel.
  3. To access each match in more detail and exclude sources, select the arrow to the right of the relevant similarity percentage.
  4. At the bottom of the Match Breakdown side panel, select the Exclude Sources button.
  5. Using the checkboxes, select each source to exclude from the report. The Exclude button at the bottom of the panel will show the amount of sources chosen.
  6. Select the Exclude button to confirm and regenerate the report for that submission.

Excluding sources via All Sources

  1. To exclude sources using the All Sources side panel, select the list icon located under the score number in the similarity toolbar.
  2. Select the Exclude Sources button at the bottom of the All Sources side panel.
  3. Use the checkboxes to choose each source to exclude from the report. The Exclude button at the bottom of the side panel displays the number of sources you have selected to exclude.
  4. Select the red Exclude button to confirm. To clear your selections and go back, choose Cancel.

Restoring excluded sources

If a student resubmits an assignment, their original assignment will show up under "excluded sources" in order to prevent matching against the original draft.

  1. To view sources that have been excluded from the Similarity Report, select the red Exclude icon from the similarity toolbar.
  2. If you have excluded any sources from the report, they will be listed in the side panel under Excluded Sources. Use the checkboxes to select any sources you would like to restore. Select the Restore button to continue. 
  3. To restore all excluded sources in the list, choose the Restore All button.
  4. To go back without restoring any excluded sources, select the “X” in the top right corner of the side panel to leave the Excluded Sources list.

You do not need to refresh the Similarity Report to see these sources reflected in the similarity score.

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