The ‘Call for Participants’ platform connects researchers with participants so as to improve the efficiency and accuracy of research trials.

Callforparticipants.com is a free online tool designed to address the many challenges faced by researchers in finding appropriate sample sizes for trials as well as helping participants looking to get more involved. Matthew Terrell and Martin Kruusimägi provide an overview of the platform, identifying how trust, security and transparency are necessary to ensure the tool’s lasting success.