Closed judithfan closed 7 years ago
Mechanism to route repeat visitors to duplicate.html, even if they participated in a different study.
Query the relevant collections/databases to retrieve the number of matching records. If this exceeds some conservative threshold, redirect player.
see: https://www.w3schools.com/nodejs/nodejs_mongodb_query.asp
Mechanism to route repeat visitors to duplicate.html, even if they participated in a different study.
Query the relevant collections/databases to retrieve the number of matching records. If this exceeds some conservative threshold, redirect player.
see: https://www.w3schools.com/nodejs/nodejs_mongodb_query.asp