A study invitation is simply a notification, notifying you that there is a new questionnaire available for you to take. The study invitation will indicate if the survey is available online, and/or if we are currently taking phone calls for over-the-phone recruiting. Please read our study invitations thoroughly.
NOTE: We do everything in our power to make sure that we only offer you the studies that give you the highest possibility for qualification. We do NOT send email notifications for ever study, please make sure you login to your account periodically to see other available studies.