In one aspect, a method for managing an online survey includes receiving, by a first computing device, from a second computing device, a request to conduct an online survey, the request identifying a requested number of responses and a requested response time. The method includes determining, by the first computing device, a number of panelists to survey, based upon the requested number of responses. The method includes transmitting, by the first computing device, to the determined number of panelists, the survey. The method includes receiving, by the first computing device, from a subset of the determined number of panelists, at least one survey response. The method includes modifying, by the first computing device, the determined number of panelists. The method includes receiving, by the first computing device, responsive to the modification, the requested number of responses and providing the requested number of responses within the requested response time.