Plagiarism: Turnitin plagiarism plugin

Maintained by Picture of John McGettrick John McGettrick, Picture of Paul Dawson Paul Dawson, Picture of David Winn David Winn, Picture of Caroline Westgarth Caroline Westgarth
Turnitin is a commercial plagiarism detection system which requires a paid subscription to use - This Plugin integrates with the existing Moodle Assignment module.
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This plugin shares code with the new mod_turnitintool2 plugin which must be installed at the same time.

This version has a number of major benefits:
  • Fully supported by Turnitin for all issues that occur.
  • Uses a new improved API to connect to Turnitin.
  • Better support for the rest of Turnitin's product range (Grademark, Writecycle etc)
  • Works with the new Moodle block developed by Turnitin


Screenshot #0
Screenshot #1


Picture of John McGettrick
John McGettrick (Lead maintainer)
Picture of Caroline Westgarth
Caroline Westgarth
Picture of Dan Marsden
Dan Marsden: Previous plugin maintainer
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  • Picture of Glenn Pillsbury
    Sat, 24 Jun 2017, 6:09 AM
    Any luck getting this to install in 3.3? When I try, it gets past the Validation screen, but then the admin/index.php page is completely blanked out. Hoses the entire site. Luckily, manually removing the turnitin folder from /plagiarism restores the site. Yikes!
  • Picture of John McGettrick
    Mon, 26 Jun 2017, 3:36 PM
    Hi Glenn, we haven't had any other reports on this. Which version are you upgrading from? Have you tried with debugging on, do you get any visible errors then?
  • Picture of Glenn Pillsbury
    Mon, 26 Jun 2017, 11:57 PM
    Hi John. I'm installing fresh on a brand new Moodle server (3.3). Here's what I get when I turn on full debugging:

    Warning: require_once(C:\Bitnami\moodle-3.3.0-0\apps\moodle\htdocs/mod/turnitintooltwo/lib.php): failed to open stream: No such file or directory in C:\Bitnami\moodle-3.3.0-0\apps\moodle\htdocs\plagiarism\turnitin\lib.php on line 55

    Fatal error: require_once(): Failed opening required 'C:\Bitnami\moodle-3.3.0-0\apps\moodle\htdocs/mod/turnitintooltwo/lib.php' (include_path='C:\Bitnami\moodle-3.3.0-0\apps\moodle\htdocs/lib/pear;.;C:/Bitnami/moodle-3.3.0-0/php/PEAR') in C:\Bitnami\moodle-3.3.0-0\apps\moodle\htdocs\plagiarism\turnitin\lib.php on line 55

    However, the installation just worked fine now. The only thing that changed was I'd successfully installed the mod before trying to install the plagiarism plugin. Hmm...
  • Picture of John McGettrick
    Tue, 27 Jun 2017, 3:42 PM
    Ah, plagiarism_turnitin requires mod_turnitintooltwo to be installed as well as it shares a lot of code. There is a '$plugin->dependencies' array in version.php which should prevent it being installed or used if mod_turnitintooltwo isn't installed.
  • Picture of Wayne N
    Wed, 28 Jun 2017, 10:43 PM
    We used this plugin some time ago and I'm just finding out that when we removed it something failed. Right now I'm trying to figure out the least impactful way to remove it. I found that installing the latest version and then removing it again works.
    However it seems that the changes in Release: v2017022201 that address the plugin switching to using the newer event handling system cleans up various old tables including m_events_queue and m_event_handlers. Which is fine because we want them gone. However because of our failed removal some years ago m_events_queue has something like 1.5 million rows in it and seems to be growing with every cron run. The install process that cleans this stuff up is taking over 2 hours.

    I'm looking for ideas on how to speed up that process. I'm going to try trunc'ing m_events_queue and m_events_handlers before the install and seeing if that helps as I've checked and the only stuff in there seems to be stuff that would be cleaned up by the install anyway.

    Anyone have any other suggestions?

    Daniel Nelson
    Instructional Systems Administrator
    UMass Amherst
  • Picture of John McGettrick
    Fri, 30 Jun 2017, 9:45 PM
    Hi Daniel, could you write a script to remove items from mdl_events_queue if the id isn't equal to a queuedeventid in mdl_events_queue_handlers ?
  • Picture of sachin sharma
    Mon, 3 Jul 2017, 2:05 PM
    is this available for india
  • Picture of John McGettrick
    Fri, 7 Jul 2017, 5:04 PM
    Sachin, please see for more information.
  • Andrew
    Tue, 22 Aug 2017, 8:42 PM
    Great plugin. Thanks!
  • Picture of Sathish M
    Tue, 26 Dec 2017, 2:47 PM
    Does it have any trial account to check?
  • Picture of Chris Chapman
    Thu, 25 Jan 2018, 4:52 PM
    Hi guys, just testing this out for Moodle 3.0.5 got it all connected and shows status but cant interact with it. i.e click and launch grademark studio from the pencil/originality score icon
  • Picture of John McGettrick
    Thu, 25 Jan 2018, 4:53 PM
    Hi Chris. Are you seeing any errors in the console browser?
  • Picture of Chris Chapman
    Thu, 25 Jan 2018, 6:49 PM
    urr - yep lots of Jquery errors by the looks of things :/
  • Picture of Glenn Pillsbury
    Sat, 10 Feb 2018, 4:00 AM
    Does the plugin support online text-only assignments, or does it absolutely need a file submission? In other words, does TII generate a pseudo-file for submission of online text the way the Moodle inline grader generates a pseudo-file for annotation and mark-up?
  • Picture of John McGettrick
    Tue, 13 Feb 2018, 4:11 AM
    Hi Glenn, yes it supports online text submissions. A file will be generated on the Turnitin side for displaying the report and for grading.
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