LTI 1.3 Tools: Turnitin Feedback Studio

This article outlines the steps to set up an LTI 1.3 integration in Populi for Turnitin Feedback Studio. Looking to set up the integration for Turnitin's Similarity product? Have a look at this article.

To set up this integration, you will need administrator access to your Turnitin account and Account Administrator access in Populi.

Turnitin Setup

Here are the steps you complete in Turnitin...

  1. On your Turnitin administrator homepage, click Unconfigured/Configured under Integrations/.
  2. Select LTI 1.3, then click Create new Registration.
  3. For LMS provider, select Other.
  4. Turnitin will then display the registration information you will need. Keep this page open in your browser so you can copy and paste the information back into Populi as described below.

Populi Setup

Here are the steps to complete in Populi...

  1. Go to the right corner profile menu (next to the search) > Account & Settings > Account Settings > Integrations.
  2. Click Add an integration.
  3. For Integration type, select External LTI Tool.
  4. For LTI Version, select LTI 1.3 (LTI Advantage).
  5. Under Manual Registration copy the URLs from the Turnitin window into the corresponding field in Populi (see chart below and screenshot):
  6. Be sure to set Assignments and grading to Allow grading and assignment management. For Course roster access, choose Allow roster access as per the privacy setting.
  7. Click Save.
From Turnitin Field To Populi Field
Tool Public Key set URL Public keyset URL
Login Initiation URL Authentication request URL
Launch URL / Tool Redirect URL (first URL in field) Redirect URI(s)
Launch URL / Tool Redirect URL (second URL in field) Redirect URI(s) (add another redirect URI)
Target Link URI Deep linking URL

Back to Turnitin a few moments...

You'll need to copy some items from Populi back into Turnitin to complete the integration.

  1. In Populi, find your new tool in the list of integrations and click Configuration Details (see screenshot below).
  2. Copy the fields shown in the chart and screenshot back into Turnitin under the LMS details heading.
  3. Finally, Save the registration in Turnitin. The tool is now ready for use in Populi courses.
From Populi To Turnitin Field
Platform ID (issuer) Issuer
Client ID Client ID
Authentication request URL OpenID connect login endpoint
Public keyset URL Platform public key set URL
Access token URL Access token URL

In a Populi Course

The first time you attempt to launch Turnitin from Populi, you will be prompted to log in to your Turnitin account and create a dummy assignment. This one-time process with bind the LTI deployment to your Turnitin account so that future launches will be seamless. This Turnitin article describes creating the dummy assignment.

Here's what you'll do in Populi:

  1. Go to Assignments and click Add assignment.
  2. Select Add LTI assignment.
  3. Select your Turnitin Tool from the dropdown, choose Create via LTI Launch, and click Launch Tool.
  4. This will launch Turnitin (according to your selection in the Launch tool... setting). Configure the Turnitin assignment settings as desired and click Submit.
  5. Back in Populi, add the remaining assignment details. The Name, Description, Points, and Availability settings will be populated automatically from Turnitin. Avoid editing the URL or any of the Custom Parameters since this will likely break the link.

(You can also add assignments when designing a Lesson using the LTI Link option.)

The assignment is now ready for submissions. Students can now follow the link on the Populi assignment page to Turnitin where they can submit the assignment. When you click the same link as the course instructor, you will see the instructor view with the student roster displayed along with submission and grade details. Submission dates and assignment grades will be populated back into Populi as soon as they are updated in Turnitin.


For more information on using LTI with Populi, see the article Using LTI 1.3 with Populi Courses. For LTI troubleshooting tips, click here.

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