All identifying information you provide at the time of registration will be kept confidential, and will only be made available to third parties with your explicit permission or as required by law.
At the time of the experiment, you will be given an informed consent form to sign with additional information specific to the experiment you are to participate in, should you decide to do so.
Payments for participating in decision making experiments are made in private, and payment information is not linked to personal information. When you are paid, you will be asked to sign a payment receipt, which is purely for accounting purposes.
For questions please contact si.experiments@umich.edu.