1. A system for administering a test, the system comprising: a central computer configured to: receive an indication of a reward threshold; administer a test to an individual via a testing computer; determine a test result based on the test; determine a proximity to the reward threshold based on the test result; and output a message to the individual indicating the proximity to the reward threshold; and at least one testing computer in communication with the central computer, each testing computer being configured to administer the test to the individual and to transmit an indication of a reward threshold to the central computer.