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Rayyan for Systematic Reviews

Gradual phasing out of this guide


Gradual phasing out of Rayyan support
Since Rayyan has now moved to a paid-subscription model, we will no longer be supporting Rayyan, and this guide is no longer being updated. McGill now has an institutional subscription to Covidence, a screening tool with more robust features than Rayyan. Please visit McGill's Covidence page for more information.

Inviting collaborators

You can invite colleagues by email to join you in the review. There are 3 options of collaborator, translator, and viewer are available. A collaborator can almost do everything  except deleting it, inviting others, or changing the blind setting on the review, while a viewer can only access and view the records. According to Rayyan, a translator is a viewer with the added functionality of translating the article abstracts into other languages. However, these functionalities are not active at this moment. 

The invitees will receive an email invitation with a link to create an account with Rayyan, if not registered, and access the review. The list of reviews based on your involvement is available in various tabs as it is showed in the image above.   


In order to stop a screener in a project from being influenced by the decisions of their collaborators, blinding in Rayyan projects is automatically set to ON.  This means that a screener will not see any information regarding the screening decisions of other team members, thus removing a significant possible source of bias.

The screening status of a review is indicated by the box next to the review title in the main screening window. In the example below, blinding is ON and the blinding status box is green.


Changing blinding status

When screening has been completed by all team members, it is time to switch blinding off so that screeners can discuss the results and resolve conflicts. Note that only the creator can change the blind setting. Blinding status is toggled by:

STEP 1: Navigating to the review's entry in the main review listing (this will be similar to the image below) and by clicking on the "Blind ON" green box.

STEP 2: After dismissing the warning box that will appear, the blinding status will change to "Blind OFF"

At this point, an email will be sent to all members of the review team to advise them of the change in blinding status.

Conflict resolution

Returning to the review's article listing, it will now be possible to see the screening decisions of the other screeners.

Some new information will also appear in the left-hand side bar, as shown below. These new categories allow the review team to display (for example) only those articles where there is a disagreement in screening decision. This allows for rapid identification of articles for which a conflict should be resolved.

Collaborator chat functionality

Rayyan offers an online chat functionality within the screening interface.  Access this by selecting "REVIEW CHAT" in the bottom right hand corner of the screen.

Chat is in real time and provides a useful way to discuss screening, for example during conflict resolution.

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Jill Boruff
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Martin Morris
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