In the case of the confidential protocol,
In the case of the anonymous protocol,
In addition, your school may have their own drawing for additional prizes. The consent form at the beginning of the survey states all incentives for your school. If you received an email with a link to the survey, it also includes information about incentives.
If you entered the survey through a single, broadly advertised URL, you will need to provide your first name and/or email address to enter the drawings. That is done by clicking on a link in the survey. That link leads to a separate webpage that exists solely to gather contact information for the purpose of awarding prizes.