About Us Who can I contact if I need help? Study invitation What information will I receive in a study invitation? Will I get spammed with study invitations? Are study invitations available in languages other than English? Can I share my study invitations with other people who may be interested? Study Participation How Various Studies are Conducted Screeners/ Screenouts Why can’t you invite me only to studies I will qualify for or explain the qualification criteria in the invitation? Will I be paid for my time if I do not qualify for a study? Payment How much will I be paid for participating in studies, and how will I be paid?