The SoPHIE Prolific Add-On allows you to find research participants for your experiment by launching it to a platform with thousands of participants from all over the world. All you need is a Prolific Researcher Account.
Go to the tab "Prolific" in your SoPHIE experiment. Click on the button "Activate Prolific" to recieve an unique URL for your experiment.
Visit the Prolific website (https://www.prolific.com) and log in to your Researcher Account. Insert your experiment's URL from Step 1 into the container "Study Link". This allows you to record the participants' IDs.
Redirect the participants with the completion URL at the end of your survey.
Insert the URL from Step 3 into your experiment in SoPHIE. Your participants are now able to enter your experiment via Prolific and are redirected there upon the completion of your experiment.