This FAQ answered the question of
Do you pay me for participating in experiments? How much?
I've seen that there are Sessions with free places in the calendar. Why I cannot register for these sessions?
Who can apply for a subject account?
Do I have to show up when I am invited to an experiment?
How can I cancel my registration for an experiment?
Should I put in fake information when creating a subject account?
I have registered for an Experiment, but cannot register for all the other experiments, because they disappeared!
What is the meaning of the three question marks "???" after an experiment under "Experiments you participated"?
For questions please contact